CN105917930A - Full-seedling strong-plant cultivation method for corn - Google Patents
Full-seedling strong-plant cultivation method for corn Download PDFInfo
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- CN105917930A CN105917930A CN201610303431.4A CN201610303431A CN105917930A CN 105917930 A CN105917930 A CN 105917930A CN 201610303431 A CN201610303431 A CN 201610303431A CN 105917930 A CN105917930 A CN 105917930A
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- semen maydis
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- furrow
- seed
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/06—Coating or dressing seed
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Botany (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention belongs to the technical field of agricultural cultivation, and discloses a full-seedling strong-plant cultivation method for corn. According to the method, furrows are dug in the middle of the corn sowing rows of the board stubble no-tillage ridged field, the ground straws are paved on the bottom layer of the fertilizing furrows, the straws can prevent the upper fertilizer from leaking downwards, the decomposed fertilizer is absorbed and utilized by corn root hairs, and the loam is used for implementing layered fertilization at intervals, so that the corn is used in the whole growth period by applying fertilizer once; two healthy, full and viable corn seeds are respectively sown in the sowing areas in the row digging holes to be fixed seedlings in a proper period; after the chemical removal, a mulching film is covered in the fertilizing area, the temperature under the mulching film is higher than the underground temperature of the corn sowing area, so that fertilizer water under the mulching film slowly permeates into soil of the corn sowing area, the whole corn seedling and strong seedling and plant are realized, and the foundation is tamped for improving the corn yield.
Description
Technical field
The present invention relates to technical field of agricultural cultivation, be specifically related to a kind of Semen Maydis full stand and strengthen strain cultural method.
Background technology
Semen Maydis is cereal crops, forage crop and the oil crop that China is important, and containing abundant crude fibre, protein, fat, carbohydrate, vitamin and mineral element, it is of high nutritive value and of many uses.
Semen Maydis is upland grain, but there is no enough moisture the time of infertility, it is difficult to normal growth, have because soil moisture content is not enough, lack moisture, causing corn emergence rate low, therefore field soil moisture conservation seems extremely important, and each growth stage must also require the fertilizer nutrient of abundance, guarantee maize sprout-promoting strengthens strain, otherwise can cause de-fertile senilism phenomenon.Show according to China's various places rational application of fertilizers research, field crop nitrogen this season utilization rate less than 35%, phosphorus this season utilization rate less than 20%, potassium this season utilization rate less than 50%.Traditional planting patterns is generally spread fertilizer over the fields fertilizer in soil and ploughs, fertilizer is dispersed in soil, the lower leakage in soil of part fertilizer sinks to the bottom, or the manure digestion being exposed at earth's surface becomes gas to scatter and disappear in atmosphere, make part fertilizer loss, utilization can not be fully absorbed by milpa root system, cause utilization rate of fertilizer low；At corn seeding Chang Shaoyu in season, dry land periphery often can not be spread and sunk in filling in time because of hydropenia, and large area ploughs the soil reclamation evaporation of water in soil, is unfavorable for that corn seed goes out full stand.
The straw-returning of Different Crop, it is seen that research report, but buried becoming thoroughly decomposed as the interlayer later stage in advance at dressing furrow has no report as granulated fertilizer.Layer by layer manuring, Semen Maydis, Semen Tritici aestivi, Semen sojae atricolor, peanut and other crops have been applied, but the layer by layer manuring of existing proposition, being broadly divided into three kinds: one is the lower section that fertilizer layering imposes on seed, though seed is separated with fertilizer, but this fertilization mode is easy to the root hair of burn maize seedling so that it is lose water suction or inhale fertile function；Two is the periphery that fertilizer cross stratification imposes on seed, although being separated by the distance of more than 5cm, but this fertilization mode the most easily injures the root hair of maize seedling because of fertilizer local concentration height, varying number fertilizer divides five layers executed and has no report at same dressing furrow as seed manure, seed manure, jointing fertilizer, ear manuer and granulated fertilizer；Three is that fertilizer is buried in layering of digging pit around seed, and some holes are up big and down small, it is easy to causing fertilizer to scatter and disappear, utilization rate of fertilizer is not the most the highest.Plastic-film-covered cultivation technology also has application on the crops such as Semen arachidis hypogaeae, Semen Maydis, Cotton Gossypii, usually by covering with ground sheeting soil on ridge culture or the flat seed made, it is therefore an objective to soil moisture conservation heats, mulch film only covers in fertilization area not cover-seeding district and rarely has report.
It is investigated and read related data, disclosed layer by layer manuring method is as follows: 1. patent No. ZL 200310115877.7, mentions digging pit and bury fertilizer in " maize drought defying cultivation pit culture method "；2. public announcement of a patent application number 201110151602.3 " fertilizing method under maize mulched drip irrigation cultivation condition " being mentioned, staggered floor applies fertilizer and both sides fertilising, every big ridge is executed three row fertile, relate to Maize in Earlier Stage and absorb shallow-layer fertilizer, middle and late stage absorption deep layer fertilizer；
3. by fertilizer point two-layer subsoil-application in soil when number of patent application 201010185761.0 " the Semen Maydis Efficient fertilization method of a kind of double-deck deep placement " mentions corn planting in spring；4. number of patent application 201310687590.5 " fertilizing method of Semen Maydis " mentions a point two-layer fertilising, and fertilizer directly imposes on the lower section of seed；5. number of patent application 201410517939.5 " a kind of corn planting method " is mentioned and is arranged groove between two row Semen Maydiss, and at the groove fertilizer of shop fixtures from the bottom to top, quick-acting fertilizer, backfill soil, mouth is fertile, backfill native supreme notch；6. " Chinese soil and fertilizer " phase nineteen ninety-five the 1st, Semen Maydis disposable layer by layer manuring technical research, Wu Jinggui, Ren Chengli, Dai Jingyu, Jiang Yimei, Cong Jiahou, Wang Xingyuan, Jilin Agriculture University, the Jilin institute of agricultural sciences, mention that test Diammonium phosphate (DAP), carbamide, potassium sulfate, the disposable Hierachical Basis of zinc sulfate fertilizer are excuted a law: upper strata imposes on 5-7cm under seed, lower floor imposes on 12-14cm under seed, and after the mixing of whole fertilizer, 1/3 imposes on upper strata, and 2/3 imposes on lower floor；7. " agricultural journal " 2011 the 4th phase, Semen Maydis is disposably layered slow release fertilizer practice experimental study, Zou Zhongjun, Sun Yanhua, agricultural technology extension center, Hulan District, Harbin City, mentions that the slow releasing function with sulfur-coated urea and disposable Hierachical Basis execute raising yield；8. " Heilongjiang Bayi Agricultural Reclamation University's journal " in December, 1993 the 2nd phase of volume 7, the research of Fertilizer Practice of Corn Used Layer By Layer Manuring And According To Fertilizer Ratio In Low Damp Land, law of the country political affairs, Dong Yaru, Yankee army, mentions the layering proportion fertilizer research carrying out corn mechanization cultivation on low-lying damp land；9. the phase in " agricultural research " November the 4th in 1996, corn dividing layer depth fertilizer test and the research of mechanical fertilization technology and application, Zhao Fazhen, management board of Heilongjinag State Farm HONGGUANG farm, mention that mu uses diamidogen 10.5kg, carbamide 11.5kg, nitrogen phosphorus most preferably ratio 1.5:1, divide three layers of fertilising, ground floor is base fertilizer, impose at the 14-15cm of top, ridge, based on nitrogenous fertilizer, account for the 25% of total fertilization amount, the second layer imposes at the 8-12cm of top, ridge, N/P ratio is identical with base fertilizer, account for total dose 50%, third layer imposes on kind of a side 5-7cm, deep 4-5cm, for seed manure, phosphate fertilizer is main, account for total dose 25%；10. master thesis, 2011, Semen Maydis simplified High Yield Fertilization Technique research, Wang little Xue, Agricultural University Of Hebei, mentions summer corn subsoiling bi-layered fertilizing drilling technology；11. " science and technology of the farm machinery popularization " 2014 the 6th phases, corn no-tillage subsoiling multilamellar ferti-seeding technology, Liu Shaofeng, Li Zhimin, Shandong Dezhou City Agricultural Machinery Bureau, mention every mu of dose 45-60kg, layer by layer manuring 10-25cm, plant bed with fertile bed horizontal vertical spacing more than 5cm, compacting is covered tightly after broadcasting, use the corn no-tillage superior seeder of subsoiling whole layer placement of fertilizer, applied fertilizer by slow release, 6 layers of three-dimensional turriform are once divided to be distributed in the deep soil layer of 8-25cm in fertilizer needed for whole for Semen Maydis period of duration, meet Semen Maydis different growing stages needs, mainly teach the feasibility using the corn no-tillage superior seeder of subsoiling whole layer placement of fertilizer.
Summary of the invention
The problem existed for above-mentioned prior art, the present invention provides a kind of Semen Maydis full stand to strengthen strain cultural method, both the enough soil moisture content of period of drought, overcast and rainy row in period pool fall flood had been kept, utilization rate of fertilizer can be improved again, prevention fertilizer concentrates close contact burn kind of burn seedlings and suitably increase the density of sowing, it is achieved Semen Maydis full stand strengthens strain and high yield.
In order to achieve the above object, the technical solution that the present invention uses is that this cultural method includes seed selection coating, trench digging bedding, straw-returning, layer by layer manuring, precision drilling, eliminates overlay film, optimum period final singling, field management, and it specifically comprises the following steps that
(1) seed selection coating: select suitable period of duration, high-quality, disease-resistant, pest-resistant, resistance kind；Fair weather is selected to shine seed 2-3 day before broadcasting, choosing health, full, great-hearted seed is as seed, to there is no the seed nitrile bacterium azoles containing mass concentration 0.75% of coating, the carbofuran of mass concentration 7%, the thiram of mass concentration 13% and the boron of total content mass concentration 2%, zinc, manganese, molybdenum, ferrum, sulfur, the seed coat agent of cu microelements, it is even that mass ratio with pesticide-seeds ratio as 1:65-70 puts into the rolling that fluctuates after sealing in plastic bag, or put into and quickly stir in fixing cauldron, make each the seed can uniform coating, hands, mouthful, eye stops directly to contact seed coat agent with skin；
(2) trench digging bedding: field plate stubble is no-tillage, the height for the stubble left≤15cm；With plough or ploughshare, railway carriage or compartment ditch bedding, furrow width 2.3m are opened in north-south in field；Furrow length every 10m East and West direction opens waist ditch, railway carriage or compartment ditch and the furrow width 30cm of waist ditch, ditch depth 20cm, and its cross section is sector；Field surrounding is opened and is enclosed ditch, furrow width 35cm, ditch depth 25cm, and its cross section is sector；Field septal fossula is connected unimpeded with field outer fissure；Respectively opening a row application ditch, furrow width 30cm, ditch depth 25cm on the furrow face of distance furrow limit 45cm, its cross section is rectangle；
(3) straw-returning: the straw chopping of crop becomes every section≤10cm, is paved with one layer of straw bottom dressing furrow, is advisable loseing bottom of trench earth, thickness 2cm；
(4) layer by layer manuring: execute five layers of fertilizer from bottom to top；Nethermost fertile for layer 5, it is the granulated fertilizer of Semen Maydis, uses the carbamide straw that becomes thoroughly decomposed as fertilizer, on dressing furrow straw, uniformly spread fertilizer over the fields 90kg/hm by field area2Carbamide, cover loam compacting, blinding thickness 3cm；4th layer of fertilizer, is the ear manuer of Semen Maydis, uses 180kg/hm by field area2Slow-release nitrogen fertilizer and N-P-K content are respectively the compound fertilizer 300kg/hm of 15%2, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 5cm；Third layer is fertile, is the jointing fertilizer of Semen Maydis, uses 150kg/hm by field area2Carbamide, 180kg/hm2Calcium superphosphate and 200kg/hm2Potassium chloride, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 5cm；The second layer is fertile, is the seed manure of Semen Maydis, uses 60kg/hm by field area2Carbamide, 45kg/hm2Calcium superphosphate and 70kg/hm2Potassium chloride, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 4cm；Uppermost fertile for ground floor, it is the seed manure of Semen Maydis, uses the chicken manure 150kg/hm become thoroughly decomposed by field area2Or the farm manure 225kg/hm become thoroughly decomposed2, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 4cm；
(5) precision drilling: to grab embanked field soil agglomerating when hands, 0.5m falls the most scattered the most naturally, for the field soil moisture content that corn seeding is suitable, 5cm deep soil temperature in underground is stable starts sowing more than 11 DEG C, MRDV and corn growth later stage Emasculation that Northern Area of Huaihe River causes in order to avoid small brown rice planthopper cause bald fringe or scarce row to lack grain, and Suitable Sowing Period is that June 15 was to July 5；At every drill seeding kind 8 row Semen Maydis, furrow medium sowing 4 row, middle adjacent two line-spacing 30cm, other adjacent lines middle are away from 10cm, and two row, line-spacing 10cm are respectively sowed in furrow both sides, furrow gutter and limit row Semen Maydis distance 20cm, the both sides Row spacing of maize 60cm of fertilization area, fertilization area with adjacent Row spacing of maize from 15cm, often row Hole spacing of maize 30cm, every 2 corn seeds of bunch planting kind, depth of planting 5-6cm, steady and sure soil after broadcasting, make seed be in close contact with soil；
(6) overlay film is eliminated: after planting by mass concentration 75% Acetochlor emulsion 1200ml/hm2Furrow face is uniformly sprayed by water 600kg, thick at fertilization area 0.008mm, wide for 40cm biodegradable mulch film smooth Manure Mulching district, the soil that film overlying 2cm is thick, after overlay film blinding, spray an Acetochlor herbicide on exposed ground again；
(7) optimum period final singling: during Semen Maydis field more than 50% plant strain growth to 5 leaf phase, starts final singling, and every cave retains a healthy and strong plant, stays 90000-97500 strain/hm2, weeding in sowing division during final singling；
(8) field management: according to Maize at Seedling Stage and fringe phase plant pest and disease damage and growing state, dispenser to the ill；When the loose powder phase, select fine day 9:0 in morning point to 16:00 point in afternoon, bind two thick waddys or bamboo pole top, the two thick waddy of human hand held or bamboo poles with the hawser of diameter 1.5-2cm length 10m, impact tassel with hawser gently, promote pollen to be scattered pollination.
Wherein, in step (3), crop material is the agricultural crop straws such as Semen Tritici aestivi, Brassica campestris L, Semen Maydis, pulse family class crop, Semen arachidis hypogaeae, Oryza sativa L..
Wherein, in step (8), seedling blight their early stage, spray corn root or pouring root with 1000 times of liquid of mass concentration 20% triazolone cream or 800 times of liquid of mass concentration 70% thiophanate-methyl or mass concentration 58% 500 times of liquid of Mancozeb metalaxyl wettable powder.
Wherein, in step (8), in small brown rice planthopper peak period with mass concentration 10% imidacloprid wettable powder 400g/hm2Acetamiprid EC 250g/hm to water 800kg or mass concentration 5%2To water 750kg or mass concentration 25% pymetrozine 300g/hm2To water 600kg to Semen Maydis foliage-spray, prevent and treat MRDV.
Wherein, in step (8), before Semen Maydis final singling or maize brown spot their early stage, with mass concentration 25% triadimefon wettable powder 300g/hm2To water 600kg to Semen Maydis foliage-spray.
Wherein, in step (8), with mass concentration 40% chlopyrifos 1500ml/hm2To water 1000kg or mass concentration 50% phoxim emulsifiable concentrate 1200ml/hm2To subterranean pest-insects such as water 1200kg pouring root, control of grubs, wireworm, cutworm, Gryllotalpas, or spray insect on the ground such as preventing and treating Limax, Gryllus Chinensis etc..
Wherein, in step (8), spray Semen Maydis blade face with 1000 times of liquid of mass concentration 10% imidacloprid wettable powder or 1200 times of liquid of mass concentration 10% avilamycin or fill the heart, the insect such as preventing and treating pink rice borer, thrips, 2 committees noctuid, red spider, armyworms.
Wherein, in step (8), banded sclerotial blight 1000 times of liquid of their early stage mass concentration 5% jingganmycin or 1000 times of liquid of mass concentration 40% dimethachlon spray preventing and treating to Maize Stem base portion sheath；With 500 times of liquid of mass concentration 5% octicin solution, lobus cardiacus sprayed preventing and treating Bacterial stalk rot, top rot.
Wherein, in step (8), with mass concentration 5% cyhalothrin emulsifiable concentrate 1200 times of liquid foliage-sprays preventing and treating Prodenia litura, sweetleaf diamond-back moths；It is sprinkled in horn mouth with mass concentration 3% phoxim granule or mass concentration 0.15% lambda-cyhalothrin granule or mass concentration 14% chlopyrifos granule, prevents and treats Pyrausta nubilalis (Hubern)..
Wherein, in step (8), when more than 50% milpa tassel to be ready appearing, use healthy and strong agent 450ml/hm2Water 300kg is sprayed blade face, plant top, it is possible to decrease fringe position and plant height, resistant to lodging.
The invention have the advantages that
1. moisturizing increases moisture in the soil, realize full stand: by seed pelleting conservation, plate stubble no-tillage seeding preserves soil moisture, and during arid, sowing division, fertilization area compacting soil form capillary water absorption moisturizing, and fertilization area overlay film promotes temperature under film and forms the temperature difference with sowing division, moisture is spread from high-temperature region to low-temperature space, increasing sowing division soil moisture content, during rainy weather, sowing division soil easily absorbs water soil moisture conservation, emerge for Course of Corn Seed Germination and the moisture of necessity is provided, promote Semen Maydis full stand.
2. improving fertilizer efficiency, it is achieved strong strain: applied fertilizer by dressing furrow, fertilizer is concentrated, it is to avoid fertilizer is dispersed in soil, is unfavorable for that corn root absorbs and reduces utilization rate of fertilizer；It is embedded in equably bottom dressing furrow by straw-returning, before corruption the most completely, as interlayer, the fertilizer in dressing furrow is separated with following soil, very fast lower leakage after stoping fertilizer to melt；By layer by layer manuring in dressing furrow, it is ensured that the necessary seed manure of Semen Maydis, seed manure, jointing fertilizer, ear manuer and granulated fertilizer, it is achieved single-dose application, Semen Maydis utilizes the time of infertility；Biodegradable mulch film is covered by fertilization area, the soil layer of 2cm is covered on mulch film, both Radix Saposhnikoviae took off film, again can prevent evaporation steam film next part sweat and make rich water be unfavorable in concentrating on fertilization area maize root system absorbs, overlay film makes the temperature temperature higher than sowing division of fertilization area, the steam of evaporation gradually melts fertilizer in fertilization area, rich water is the most little by little to the sowing division diffusion of relative low temperature, and flowing to sowing division rich water is slowly to spread, kind of a burn seedlings, beneficially Zea mays root will not be burnt must absorb so rich water concentration is on the low side；Fertilization area and the sowing division shallow soil layer temperature difference under overlay film is obvious, and the temperature difference of deep soil layer is the most inconspicuous, along with the rising of seasonal temperature, the lower soil layer temperature difference is also being gradually increased, realize upper strata fertilizer first with, after lower floor's fertilizer utilize, meet the demand of each growth period of Semen Maydis；During rainy weather, overlay film can protect fertilizer not to be flushed away lower leakage, and corn root ground moistening promotes fertilizer to shift to root, and by above measure, fertilizer utilization is concentrated efficiently, it is achieved strong sprout strengthens strain.
3. seed manure is separately, prevent from burning and plant: corn seed and dressing furrow are at a distance of more than 15cm, seed manure maintains an equal level lower slightly with seed height, and the chicken manure become thoroughly decomposed used or farm manure, guarantee will not be planted because fertilizer Relatively centralized burns, because fertilization area rich water is by temperature difference conduction diffusion, slowly fertilizer is discharged into sowing division, burn seedlings will not occur.
4. layer by layer manuring, prevention senilism: the principle steady according to seed manure, seed manure light, jointing fertilizer promotees, ear manuer weight, granulated fertilizer are mended, seed protects out full stand, the seed-fertilizer applying fertilizer become thoroughly decomposed, seedling stage is few because of the root tender fertilizer requirement of children, gently executes carbamide, and the jointing stage is vigorous period of nourishing and growing, fertilizer requirement is bigger, using appropriate carbamide, calcium superphosphate and potassium chloride, boot stage, fertilizer requirement was maximum, used slow-release fertilizer of carbamide and compound fertilizer, pustulation period fertilizer requirement is relatively fewer, and granulated fertilizer is using the straw that becomes thoroughly decomposed as fertilizer；When after Seed germination and emergence, seed the most slowly sends out roots must, sowing division not lid mulch film, the gas permeability of soil is strong, being more beneficial for Zea mays root under the weather condition of arid must comparatively fast grow, main root is the longest can grow to 15-20cm, also has many longer secondary root hairs, layer by layer manuring can meet the fertilizer demand of Semen Maydis different growing stage, solve produce upper each growthdevelopmental stage can not application in time and the problem that causes de-fertile senilism.
5. straw corruption, favorably loosen the soil: straw is embedded in bottom dressing furrow, with external environment, beneficially straw corruption degraded, carbamide promotes the speed of straw corruption, the gas produced in the process, will be discharged by the pore in soil, and fertilization area covering with plastic film, gas will be discharged along the Soil Surrounding of mulch film, be conducive to the loosing soil around corn root, without poisoning maize seedling.
6. density adds away from, ventilation and penetrating light: railway carriage or compartment ditch is opened in north-south, and north-south, embanked field is sowed, and is conducive to utilizing illumination, and the row and column of milpa is the most aligned, beneficially milpa illumination and ventilation, can utilize phosgene resource fully；Plantation four row in the middle of 2.3m embanked field, mesophase adjacent rows is away from 30cm, and other adjacent lines middle are away from 10cm, two row, line-spacing 10cm, railway carriage or compartment, Hang Yuqi limit, limit ditch distance 20cm are respectively planted in both sides, center row and both sides row are at a distance of 60cm, centre is the fertilization area of 30cm, every distance between rows and hills 30cm, and such sowing distance between rows and hills is reasonable in design, can suitably increase milpa density, per hectare reaches more than 90000 strains, can be sufficiently used rich water resource, is beneficial to strive for high yield.
7. dart transfer, increases the benefit: by plate stubble no-tillage seeding, Maize Seeds Coated diseases prevention, returning total stalks into fields makees fertilizer; fertilizer layering disposably applies dressing furrow, beneficially dart transfer, protects environment; turn waste into wealth, easily strive for high yield after full stand strengthens strain realizing, increase the benefit.
The most compared with prior art, the trench digging time in the present invention, the degree of depth, shape, fertilization mode, fertilizer value volume and range of product, the mode of overlay film, the mechanism of action, type of seeding are the most different.
Accompanying drawing explanation
Fig. 1 is sowing division, Semen Maydis embanked field, fertilization area, railway carriage or compartment ditch cross sectional representation.
Fig. 2 is Semen Maydis embanked field, railway carriage or compartment ditch, Yao Gou, encloses ditch schematic top plan view.
Detailed description of the invention
Further illustrate the technical solution of the present invention below in conjunction with specific embodiment, these embodiments are not to be construed as the restriction to technical scheme.
Embodiment 1:Being embodied as the sandy loam field in three groups of peasant households of Wu Ji village, Wu market town, Huaiyin District, Huai'an, the place, totally 1000 square metres, periphery is without water source；It is as follows that it is embodied as step:
(1) seed selection coating: select suitable period of duration, high-quality, disease-resistant, pest-resistant, resistance kind Su Yu 20；Fair weather is selected to shine seed 2 before broadcasting, select seed healthy, full, great-hearted as seed, to there is no seed nitrile bacterium azoles, the carbofuran of mass concentration 7%, the thiram of mass concentration 13% and the boron of total content mass concentration 2% containing mass concentration 0.75% of coating, zinc, manganese, molybdenum, ferrum, sulfur, the seed coat agent of cu microelements, it is even that mass ratio with pesticide-seeds ratio as 1:65 puts into the rolling that fluctuates after sealing in plastic bag, make each seed can uniform coating, hands, mouth, eye stop directly to contact seed coat agent with skin；
(2) trench digging bedding: field plate stubble is no-tillage, the height for the stubble left≤15cm；Railway carriage or compartment ditch bedding, furrow width 2.3m is opened with plough north-south in field；Furrow length every 10m East and West direction opens waist ditch, railway carriage or compartment ditch and the furrow width 30cm of waist ditch, ditch depth 20cm, and its cross section is sector；Field surrounding is opened and is enclosed ditch, furrow width 35cm, ditch depth 25cm, and its cross section is sector；Field septal fossula is connected unimpeded with field outer fissure；Respectively opening a row application ditch, furrow width 30cm, ditch depth 25cm on the furrow face of distance furrow limit 45cm, its cross section is rectangle；
(3) straw-returning: wheat stalk is chopped into every section≤10cm, is paved with one layer of straw bottom dressing furrow, is advisable loseing bottom of trench earth, thickness 2cm；
(4) layer by layer manuring: execute five layers of fertilizer from bottom to top；Nethermost fertile for layer 5, it is the granulated fertilizer of Semen Maydis, uses the carbamide straw that becomes thoroughly decomposed as fertilizer, on dressing furrow straw, uniformly spread fertilizer over the fields the carbamide of 9kg by field area, cover loam compacting, blinding thickness 3cm；4th layer of fertilizer, is the ear manuer of Semen Maydis, use 18kg slow-release nitrogen fertilizer by field area and N-P-K content be respectively 15% compound fertilizer 30kg, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 5cm；Third layer is fertile, is the jointing fertilizer of Semen Maydis, uses 15kg carbamide, 18kg calcium superphosphate and the potassium chloride of 20kg by field area, uniformly spread fertilizer over the fields into dressing furrow, covers loam compacting, blinding thickness 5cm；The second layer is fertile, is the seed manure of Semen Maydis, uses 6kg carbamide, 4.5kg calcium superphosphate and the potassium chloride of 7kg by field area, uniformly spread fertilizer over the fields into dressing furrow, covers loam compacting, blinding thickness 4cm；Become on is fertile for ground floor, is the seed manure of Semen Maydis, uses the chicken manure 15kg become thoroughly decomposed by field area, uniformly spread fertilizer over the fields into dressing furrow, covers loam compacting, blinding thickness 4cm；
(5) precision drilling: on June 15th, 2015, field soil moisture content is suitable for seeding corn, proper temperature is sowed, every drill seeding kind 8 row Semen Maydis, furrow medium sowing 4 row, middle adjacent two line-spacing 30cm, other adjacent lines middle are away from 10cm, two row are respectively sowed on furrow both sides, line-spacing 10cm, furrow gutter and limit row Semen Maydis distance 20cm, the both sides Row spacing of maize 60cm of fertilization area, fertilization area with adjacent Row spacing of maize from 15cm, often row Hole spacing of maize 30cm, 2 corn seeds of every bunch planting kind, depth of planting 5cm, steady and sure soil after broadcasting, makes seed be in close contact with soil；
(6) overlay film is eliminated: after planting by mass concentration 75% Acetochlor emulsion 120ml, furrow face is uniformly sprayed by water 60kg, the biodegradable mulch film smooth Manure Mulching district thick, wide for 40cm at fertilization area 0.008mm, the soil that film overlying 2cm is thick, sprays an Acetochlor herbicide again on exposed ground after overlay film blinding；
(7) optimum period final singling: during Semen Maydis field more than 50% plant strain growth to 5 leaf phase, start final singling, every cave retain a healthy and strong plant, stop 9000 strains, during final singling in weeding；
(8) field management: according to Maize at Seedling Stage and fringe phase plant pest and disease damage and growing state, dispenser to the ill；When the loose powder phase, fine day 9:00 in morning point to 16:00 point in afternoon, bind two thick waddy tops, the two thick waddys of human hand held with the hawser of diameter 1.5cm length 10m, impact tassel with hawser gently, promote pollen to be scattered pollination；Wherein, seedling blight their early stage, spray corn root with 1000 times of liquid of mass concentration 20% triazolone cream；In small brown rice planthopper peak period with mass concentration 10% imidacloprid wettable powder 40g to water 80kg to Semen Maydis foliage-spray, prevent and treat MRDV；
Before Semen Maydis final singling, with mass concentration 25% triadimefon wettable powder 30g maize brown spot anti-to Semen Maydis foliage-spray to water 60kg；With mass concentration 40% chlopyrifos 150ml to subterranean pest-insects such as water 100kg pouring root, control of grubs, wireworm, cutworm, Gryllotalpas, and spray insect on the ground such as preventing and treating Limax, Gryllus Chinensis etc.；Semen Maydis blade face, the insect such as preventing and treating pink rice borer, thrips, committee noctuid, red spider, armyworms is sprayed at 2 with 1000 times of liquid of mass concentration 10% imidacloprid wettable powder；Banded sclerotial blight 1000 times of liquid of their early stage mass concentration 5% jingganmycin spray preventing and treating to Maize Stem base portion sheath；With 500 times of liquid of mass concentration 5% octicin solution, lobus cardiacus sprayed preventing and treating Bacterial stalk rot, top rot；With mass concentration 5% cyhalothrin emulsifiable concentrate 1200 times of liquid foliage-sprays preventing and treating Prodenia litura, sweetleaf diamond-back moths；When more than 50% milpa tassel to be ready appearing, with healthy and strong agent 45ml water 30kg sprayed blade face, plant top, fall low spike position and plant height, resistant to lodging.
Embodiment 2:Being embodied as the yellow moist soil field in two groups of peasant households of Peng Li village, Yu Gou town, Huaiyin District, Huai'an, the place, totally 750 square metres, periphery is without water source；It is as follows that it is embodied as step:
(1) seed selection coating: select suitable period of duration, high-quality, disease-resistant, pest-resistant, resistance kind Su Yu 24；Fair weather is selected to shine seed 3 before broadcasting, select seed healthy, full, great-hearted as seed, to there is no seed nitrile bacterium azoles, the carbofuran of mass concentration 7%, the thiram of mass concentration 13% and the boron of total content mass concentration 2% containing mass concentration 0.75% of coating, zinc, manganese, molybdenum, ferrum, sulfur, the seed coat agent of cu microelements, mass ratio with pesticide-seeds ratio as 1:67.5 is put into and is quickly stirred in fixing cauldron, make each seed can uniform coating, hands, mouth, eye stop directly to contact seed coat agent with skin；
(2) trench digging bedding: field plate stubble is no-tillage, the height for the stubble left≤15cm；Railway carriage or compartment ditch bedding, furrow width 2.3m is opened with ploughshare north-south in field；Furrow length every 10m East and West direction opens waist ditch, railway carriage or compartment ditch and the furrow width 30cm of waist ditch, ditch depth 20cm, and its cross section is sector；Field surrounding is opened and is enclosed ditch, furrow width 35cm, ditch depth 25cm, and its cross section is sector；Field septal fossula is connected unimpeded with field outer fissure；Respectively opening a row application ditch, furrow width 30cm, ditch depth 25cm on the furrow face of distance furrow limit 45cm, its cross section is rectangle；
(3) straw-returning: rape stalk is chopped into every section≤10cm, is paved with one layer of straw bottom dressing furrow, is advisable loseing bottom of trench earth, thickness 2cm；
(4) layer by layer manuring: execute five layers of fertilizer from bottom to top；Nethermost fertile for layer 5, it is the granulated fertilizer of Semen Maydis, uses the carbamide straw that becomes thoroughly decomposed as fertilizer, on dressing furrow straw, uniformly spread fertilizer over the fields the carbamide of 6.75kg by field area, cover loam compacting, blinding thickness 3cm；4th layer of fertilizer, is the ear manuer of Semen Maydis, use 13.5kg slow-release nitrogen fertilizer by field area and N-P-K content be respectively 15% compound fertilizer 22.5kg, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 5cm；Third layer is fertile, is the jointing fertilizer of Semen Maydis, uses 11.25kg carbamide, 113.5kg calcium superphosphate and the potassium chloride of 15kg by field area, uniformly spread fertilizer over the fields into dressing furrow, covers loam compacting, blinding thickness 5cm；The second layer is fertile, is the seed manure of Semen Maydis, uses 4.5kg carbamide, 3.38kg calcium superphosphate and the potassium chloride of 5.25kg by field area, uniformly spread fertilizer over the fields into dressing furrow, covers loam compacting, blinding thickness 4cm；Uppermost fertile for ground floor, it is the seed manure of Semen Maydis, uses the farm manure 16.9kg become thoroughly decomposed by field area, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 4cm；
(5) precision drilling: on June 28th, 2015, field soil moisture content is suitable, ground temperature is suitably sowed, at every drill seeding kind 8 row Semen Maydis, furrow medium sowing 4 row, middle adjacent two line-spacing 30cm, other adjacent lines middle are away from 10cm, two row are respectively sowed on furrow both sides, line-spacing 10cm, furrow gutter and limit row Semen Maydis distance 20cm, the both sides Row spacing of maize 60cm of fertilization area, fertilization area with adjacent Row spacing of maize from 15cm, often row Hole spacing of maize 30cm, 2 corn seeds of every bunch planting kind, depth of planting 6cm, steady and sure soil after broadcasting, makes seed be in close contact with soil；
(6) overlay film is eliminated: after planting by mass concentration 75% Acetochlor emulsion 90ml, furrow face is uniformly sprayed by water 45kg, the biodegradable mulch film smooth Manure Mulching district thick, wide for 40cm at fertilization area 0.008mm, the soil that film overlying 2cm is thick, sprays an Acetochlor herbicide again on exposed ground after overlay film blinding；
(7) optimum period final singling: during Semen Maydis field more than 50% plant strain growth to 5 leaf phase, start final singling, every cave retain a healthy and strong plant, stop 6750 strains, during final singling in weeding；
(8) field management: according to Maize at Seedling Stage and fringe phase plant pest and disease damage and growing state, dispenser to the ill；When the loose powder phase, fine day 9:00 in morning point to 16:00 point in afternoon, bind two thick bamboo pole tops, the two thick bamboo poles of human hand held with the hawser of diameter 1.8cm length 10m, impact tassel with hawser gently, promote pollen to be scattered pollination；Wherein, seedling blight their early stage, with 800 times of liquid irrigating roots of mass concentration 70% thiophanate-methyl；In small brown rice planthopper peak period with the acetamiprid EC 18.75g of mass concentration 5% to water 56.25kg to Semen Maydis foliage-spray, prevent and treat MRDV；At maize brown spot their early stage, with mass concentration 25% triadimefon wettable powder 22.5g to water 45kg to Semen Maydis foliage-spray；With mass concentration 50% phoxim emulsifiable concentrate 90ml to subterranean pest-insects such as water 90kg pouring root, control of grubs, wireworm, cutworm, Gryllotalpas, and spray insect on the ground such as preventing and treating Limax, Gryllus Chinensis etc.；Semen Maydis blade face, the insect such as preventing and treating pink rice borer, thrips, committee noctuid, red spider, armyworms is sprayed at 2 with 1200 times of liquid of mass concentration 10% avilamycin；Banded sclerotial blight 1000 times of liquid of their early stage mass concentration 40% dimethachlon spray preventing and treating to Maize Stem base portion sheath；With 500 times of liquid of mass concentration 5% octicin solution, lobus cardiacus sprayed preventing and treating Bacterial stalk rot, top rot；It is sprinkled in horn mouth with mass concentration 0.15% lambda-cyhalothrin granule, prevents and treats Pyrausta nubilalis (Hubern).；When more than 50% milpa tassel to be ready appearing, with healthy and strong agent 33.75ml water 22.5kg sprayed blade face, plant top, fall low spike position and plant height, resistant to lodging.
Embodiment 3:Being embodied as the place field in six groups of peasant households of Wu Li village, Wu Li town, Huaiyin District, Huai'an, totally 1500 square metres, periphery is without water source；ItsIt is embodied as step as follows:
(1) seed selection coating: select suitable period of duration, high-quality, disease-resistant, pest-resistant, resistance kind Su Yu 29；Fair weather is selected to shine seed 3 before broadcasting, select seed healthy, full, great-hearted as seed, to there is no seed nitrile bacterium azoles, the carbofuran of mass concentration 7%, the thiram of mass concentration 13% and the boron of total content mass concentration 2% containing mass concentration 0.75% of coating, zinc, manganese, molybdenum, ferrum, sulfur, the seed coat agent of cu microelements, mass ratio with pesticide-seeds ratio as 1:70 is put into and is quickly stirred in fixing cauldron, make each seed can uniform coating, hands, mouth, eye stop directly to contact seed coat agent with skin；
(2) trench digging bedding: field plate stubble is no-tillage, the height for the stubble left≤15cm；Railway carriage or compartment ditch bedding, furrow width 2.3m is opened with plough north-south in field；Furrow length every 10m East and West direction opens waist ditch, railway carriage or compartment ditch and the furrow width 30cm of waist ditch, ditch depth 20cm, and its cross section is sector；Field surrounding is opened and is enclosed ditch, furrow width 35cm, ditch depth 25cm, and its cross section is sector；Field septal fossula is connected unimpeded with field outer fissure；Respectively opening a row application ditch, furrow width 30cm, ditch depth 25cm on the furrow face of distance furrow limit 45cm, its cross section is rectangle；
(3) straw-returning: wheat stalk is chopped into every section≤10cm, is paved with one layer of straw bottom dressing furrow, is advisable loseing bottom of trench earth, thickness 2cm；
(4) layer by layer manuring: execute five layers of fertilizer from bottom to top；Nethermost fertile for layer 5, it is the granulated fertilizer of Semen Maydis, uses the carbamide straw that becomes thoroughly decomposed as fertilizer, on dressing furrow straw, uniformly spread fertilizer over the fields the carbamide of 13.5kg by field area, cover loam compacting, blinding thickness 3cm；4th layer of fertilizer, is the ear manuer of Semen Maydis, use 27kg slow-release nitrogen fertilizer by field area and N-P-K content be respectively 15% compound fertilizer 45kg, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 5cm；Third layer is fertile, is the jointing fertilizer of Semen Maydis, uses 22.5kg carbamide, 27kg calcium superphosphate and the potassium chloride of 30kg by field area, uniformly spread fertilizer over the fields into dressing furrow, covers loam compacting, blinding thickness 5cm；The second layer is fertile, is the seed manure of Semen Maydis, uses 9kg carbamide, 6.75kg calcium superphosphate and the potassium chloride of 10.5kg by field area, uniformly spread fertilizer over the fields into dressing furrow, covers loam compacting, blinding thickness 4cm；Uppermost fertile for ground floor, it is the seed manure of Semen Maydis, uses the farm manure 33.75kg become thoroughly decomposed by field area, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 4cm；
(5) precision drilling: on July 5th, 2015, between soil moisture content suitable, ground temperature is suitably sowed, at every drill seeding kind 8 row Semen Maydis, furrow medium sowing 4 row, middle adjacent two line-spacing 30cm, other adjacent lines middle are away from 10cm, two row are respectively sowed on furrow both sides, line-spacing 10cm, furrow gutter and limit row Semen Maydis distance 20cm, the both sides Row spacing of maize 60cm of fertilization area, fertilization area with adjacent Row spacing of maize from 15cm, often row Hole spacing of maize 30cm, 2 corn seeds of every bunch planting kind, depth of planting 5cm, steady and sure soil after broadcasting, makes seed be in close contact with soil；
(6) overlay film is eliminated: after planting by mass concentration 75% Acetochlor emulsion 180ml, furrow face is uniformly sprayed by water 90kg, the biodegradable mulch film smooth Manure Mulching district thick, wide for 40cm at fertilization area 0.008mm, the soil that film overlying 2cm is thick, sprays an Acetochlor herbicide again on exposed ground after overlay film blinding；
(7) optimum period final singling: during Semen Maydis field more than 50% plant strain growth to 5 leaf phase, start final singling, every cave retain a healthy and strong plant, stop 13500 strains, during final singling in weeding；
(8) field management: according to Maize at Seedling Stage and fringe phase plant pest and disease damage and growing state, dispenser to the ill；When the loose powder phase, fine day 9:00 in morning point to 16:00 point in afternoon, bind two thick waddy tops, the two thick bamboo poles of human hand held with the hawser of diameter 2cm length 10m, impact tassel with hawser gently, promote pollen to be scattered pollination；Wherein, seedling blight their early stage, spray corn root with mass concentration 58% 500 times of liquid of Mancozeb metalaxyl wettable powder；In small brown rice planthopper peak period with mass concentration 25% pymetrozine 45g to water 90kg to Semen Maydis foliage-spray, prevent and treat MRDV；With mass concentration 50% phoxim emulsifiable concentrate 180ml to subterranean pest-insects such as water 180kg pouring root, control of grubs, wireworm, cutworm, Gryllotalpas；The heart, the insect such as preventing and treating pink rice borer, thrips, committee noctuid, red spider, armyworms is filled at 2 with 1200 times of liquid of mass concentration 10% avilamycin；With mass concentration 5% cyhalothrin emulsifiable concentrate 1200 times of liquid foliage-sprays preventing and treating Prodenia litura, sweetleaf diamond-back moths；It is sprinkled in horn mouth with mass concentration 14% chlopyrifos granule, prevents and treats Pyrausta nubilalis (Hubern).；When more than 50% milpa tassel to be ready appearing, with healthy and strong agent 67.5ml, water 45kg sprayed blade face, plant top and reduce fringe position and plant height, resistant to lodging.
The Semen Maydis of three above embodiment has a following index:
Semen Maydis Indexes Comparison table
Note: tradition planting patterns is all used in comparison, implements base manure, topdresses；Compare 1 straw and do not go back field, sowing division overlay film；Compare 2 straw-returnings, not overlay film；Compare 3 straws and do not go back field, not overlay film.
Claims (10)
1. Semen Maydis full stand strengthens strain cultural method, and this cultural method includes seed selection coating, trench digging bedding, straw-returning, layer by layer manuring, precision drilling, eliminates overlay film, optimum period final singling, field management, it is characterised in that this cultural method comprises the steps:
(1) seed selection coating: select suitable period of duration, high-quality, disease-resistant, pest-resistant, resistance kind；Fair weather is selected to shine seed 2-3 day before broadcasting, choosing health, full, great-hearted seed is as seed, to there is no the seed nitrile bacterium azoles containing mass concentration 0.75% of coating, the carbofuran of mass concentration 7%, the thiram of mass concentration 13% and the boron of total content mass concentration 2%, zinc, manganese, molybdenum, ferrum, sulfur, the seed coat agent of cu microelements, it is even that mass ratio with pesticide-seeds ratio as 1:65-70 puts into the rolling that fluctuates after sealing in plastic bag, or put into and quickly stir in fixing cauldron, make each the seed can uniform coating, hands, mouthful, eye stops directly to contact seed coat agent with skin；
(2) trench digging bedding: field plate stubble is no-tillage, the height for the stubble left≤15cm；With plough or ploughshare, railway carriage or compartment ditch bedding, furrow width 2.3m are opened in north-south in field；Furrow length every 10m East and West direction opens waist ditch, railway carriage or compartment ditch and the furrow width 30cm of waist ditch, ditch depth 20cm, and its cross section is sector；Field surrounding is opened and is enclosed ditch, furrow width 35cm, ditch depth 25cm, and its cross section is sector；Field septal fossula is connected unimpeded with field outer fissure；Respectively opening a row application ditch, furrow width 30cm, ditch depth 25cm on the furrow face of distance furrow limit 45cm, its cross section is rectangle；
(3) straw-returning: the straw chopping of crop becomes every section≤10cm, is paved with one layer of straw bottom dressing furrow, is advisable loseing bottom of trench earth, thickness 2cm；
(4) layer by layer manuring: execute five layers of fertilizer the most successively；Nethermost fertile for layer 5, it is the granulated fertilizer of Semen Maydis, uses the carbamide straw that becomes thoroughly decomposed as fertilizer, on dressing furrow straw, uniformly spread fertilizer over the fields 90kg/hm by field area2Carbamide, cover loam compacting, blinding thickness 3cm；4th layer of fertilizer, is the ear manuer of Semen Maydis, uses 180kg/hm by field area2Slow-release nitrogen fertilizer and N-P-K content are respectively the compound fertilizer 300kg/hm of 15%2, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 5cm；Third layer is fertile, is the jointing fertilizer of Semen Maydis, uses 150kg/hm by field area2Carbamide, 180kg/hm2Calcium superphosphate and 200kg/hm2Potassium chloride, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 5cm；The second layer is fertile, is the seed manure of Semen Maydis, uses 60kg/hm by field area2Carbamide, 45kg/hm2Calcium superphosphate and 70kg/hm2Potassium chloride, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 4cm；Uppermost fertile for ground floor, it is the seed manure of Semen Maydis, uses the chicken manure 150kg/hm become thoroughly decomposed by field area2Or the farm manure 225kg/hm become thoroughly decomposed2, uniformly spread fertilizer over the fields into dressing furrow, cover loam compacting, blinding thickness 4cm；
(5) precision drilling: to grab embanked field soil agglomerating when hands, 0.5m falls the most scattered the most naturally, for the field soil moisture content that corn seeding is suitable, 5cm deep soil temperature in underground is stable starts sowing more than 11 DEG C, MRDV and corn growth later stage Emasculation that Northern Area of Huaihe River causes in order to avoid small brown rice planthopper cause bald fringe or scarce row to lack grain, and Suitable Sowing Period is that June 15 was to July 5；At every drill seeding kind 8 row Semen Maydis, furrow medium sowing 4 row, middle adjacent two line-spacing 30cm, other adjacent lines middle are away from 10cm, and two row, line-spacing 10cm are respectively sowed in furrow both sides, furrow gutter and limit row Semen Maydis distance 20cm, the both sides Row spacing of maize 60cm of fertilization area, fertilization area with adjacent Row spacing of maize from 15cm, often row Hole spacing of maize 30cm, every 2 corn seeds of bunch planting kind, depth of planting 5-6cm, steady and sure soil after broadcasting, make seed be in close contact with soil；
(6) overlay film is eliminated: after planting by mass concentration 75% Acetochlor emulsion 1200ml/hm2Furrow face is uniformly sprayed by water 600kg, thick at fertilization area 0.008mm, wide for 40cm biodegradable mulch film smooth Manure Mulching district, the soil that film overlying 2cm is thick, after overlay film blinding, spray an Acetochlor herbicide on exposed ground again；
(7) optimum period final singling: during Semen Maydis field more than 50% plant strain growth to 5 leaf phase, starts final singling, and every cave retains a healthy and strong plant, stays 90000-97500 strain/hm2, weeding in sowing division during final singling；
(8) field management: according to Maize at Seedling Stage and fringe phase plant pest and disease damage and growing state, dispenser to the ill；When the loose powder phase, select fine day 9:00 in morning point to 16:00 point in afternoon, bind two thick waddys or bamboo pole top, the two thick waddy of human hand held or bamboo poles with the hawser of diameter 1.5-2cm length 10m, impact tassel with hawser gently, promote pollen to be scattered pollination.
Semen Maydis full stand the most according to claim 1 strengthens strain cultural method, it is characterised in that: in step (3), crop material is Semen Tritici aestivi, Brassica campestris L, Semen Maydis, pulse family class crop, Semen arachidis hypogaeae, Oryza sativa L. agricultural crop straw.
Semen Maydis full stand the most according to claim 1 strengthens strain cultural method, it is characterized in that: in step (8), seedling blight their early stage, sprays corn root or pouring root with 1000 times of liquid of mass concentration 20% triazolone cream or 800 times of liquid of mass concentration 70% thiophanate-methyl or mass concentration 58% 500 times of liquid of Mancozeb metalaxyl wettable powder.
Semen Maydis full stand the most according to claim 1 strengthens strain cultural method, and step (8) is characterized in that: in step (8), in small brown rice planthopper peak period with mass concentration 10% imidacloprid wettable powder 400g/hm2Acetamiprid EC 250g/hm to water 800kg or mass concentration 5%2To water 750kg or mass concentration 25% pymetrozine 300g/hm2To water 600kg to Semen Maydis foliage-spray, prevent and treat MRDV.
Semen Maydis full stand the most according to claim 1 strengthens strain cultural method, it is characterised in that: in step (8), before Semen Maydis final singling or maize brown spot their early stage, with mass concentration 25% triadimefon wettable powder 300g/hm2To water 600kg to Semen Maydis foliage-spray.
Semen Maydis full stand the most according to claim 1 strengthens strain cultural method, it is characterised in that: in step (8), with mass concentration 40% chlopyrifos 1500ml/hm2To water 1000kg or mass concentration 50% phoxim emulsifiable concentrate 1200ml/hm2To water 1200kg pouring root, control of grubs, wireworm, cutworm, Gryllotalpa subterranean pest-insect, or spray preventing and treating Limax, Gryllus Chinensis insect on the ground.
Semen Maydis full stand the most according to claim 1 strengthens strain cultural method, it is characterized in that: in step (8), spray Semen Maydis blade face with 1000 times of liquid of mass concentration 10% imidacloprid wettable powder or 1200 times of liquid of mass concentration 10% avilamycin or fill the heart, preventing and treating pink rice borer, thrips, 2 committees noctuid, red spider, armyworm insects.
Semen Maydis full stand the most according to claim 1 strengthens strain cultural method, it is characterised in that: in step (8), banded sclerotial blight 1000 times of liquid of their early stage mass concentration 5% jingganmycin or 1000 times of liquid of mass concentration 40% dimethachlon spray preventing and treating to Maize Stem base portion sheath；With 500 times of liquid of mass concentration 5% octicin solution, lobus cardiacus sprayed preventing and treating Bacterial stalk rot, top rot.
Semen Maydis full stand the most according to claim 1 strengthens strain cultural method, it is characterised in that: in step (8), with mass concentration 5% cyhalothrin emulsifiable concentrate 1200 times of liquid foliage-sprays preventing and treating Prodenia litura, sweetleaf diamond-back moths；It is sprinkled in horn mouth with mass concentration 3% phoxim granule or mass concentration 0.15% lambda-cyhalothrin granule or mass concentration 14% chlopyrifos granule, prevents and treats Pyrausta nubilalis (Hubern)..
Semen Maydis full stand the most according to claim 1 strengthens strain cultural method, it is characterised in that: in step (8), when more than 50% milpa tassel to be ready appearing, use healthy and strong agent 450ml/hm2Water 300kg is sprayed blade face, plant top, fall low spike position and plant height, resistant to lodging.
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| CN111418322A (en) * | 2020-05-06 | 2020-07-17 | 青岛市农业科学研究院 | Multilayer accurate fertilization and planting method for corn |
| CN111418322B (en) * | 2020-05-06 | 2022-02-11 | 青岛市农业科学研究院 | Multilayer accurate fertilization and planting method for corn |
| CN114097550A (en) * | 2021-11-28 | 2022-03-01 | 西安农链互联网科技有限公司 | Method for cultivating corn on high ridges in mulching mode |
| CN115443863A (en) * | 2022-10-25 | 2022-12-09 | 陕西省农业技术推广总站 | Mechanical planting method for increasing density and yield of corn |
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