CN105794457A - Method for controlling alopecurus myosuroides in winter wheat fields of Huang-Huai-Hai region - Google Patents
Method for controlling alopecurus myosuroides in winter wheat fields of Huang-Huai-Hai region Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
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Abstract
The invention discloses a method for controlling alopecurus myosuroides in winter wheat fields of a Huang-Huai-Hai region. The method includes the following steps of sowing period adjustment, seedling emergence inducing, seedling emergence acceleration, weed killing with flames and rational close planting. The method is safe and effective, green and environmentally friendly, a contrast test proves that the prevention effect on the weed alopecurus myosuroides in the wheat fields can be up to 85.2% and the wheat yield can be increased by 28.0% by adopting the method. Therefore, no chemical herbicide is adopted in the method, and the method is an agronomic measure, saves time and labor, is simple, quick and convenient to operate, can effectively reduce environmental pollution, ecological destruction, crop pesticide residues and the like caused by using chemical herbicides, accordingly guides green prevention and control of the alopecurus myosuroides in the winter wheat fields in production practice and improves the safety of agricultural products.
Description
Technical field
The present invention relates to a kind of field of agricultural production technologies, it particularly relates to a kind of method controlling Huang-Huai-Hai winter wheat Tian great Sui amur foxtail.
Background technology
Semen Tritici aestivi (Triticumaestivum) is one of China's staple food crop, cultivated area accounts for about the 22% of the cereal crops gross area, yield accounts for more than the 20% of total grain output, it is the main commodity food of China and strategic reserves grain kind, having critical role in grain-production, circulation and consumption, development Wheat Production is significant to Chinese national economy development and people's lives.
Big fringe amur foxtail (AlopecurusmyosuroidesHuds) is annual herb, originates from TaiWan, China, has distribution in the temperate zone in Eurasian two continents.From the sixties in 20th century, these weeds begin at the northwestward, Europe and middle part is developed, and harm is serious, are that one of the heaviest weeds are endangered in current farmland, are also one of weeds that Drug resistance is the most serious.Big fringe amur foxtail seminal propagation ability is strong, and Bioclimatic analysis is wide, easily propagates, and root system can produce very strong allelochemical and affect growth of wheat roots, spreads harm with it, causes the Semen Tritici aestivi significantly underproduction.
At present; there is harm human and livestock health, contaminated environment, destruction ecological balance, promote the features such as Herbicide-resistant weeds generation in the use of chemical herbicide, also grain security, food safety, bio-safety, ecological environmental protection and sustainable development etc. are brought new contradiction, new problem simultaneously.So the green prevention and control of farmland weed and ecological prevention and control are the topmost developing direction of current weeds control, employing agronomy method prevention and control weeds are exactly the important channel of green prevention and control.
For the problem in correlation technique, effective solution is not yet proposed at present.
Summary of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes a kind of safe and efficient, environmental protection, time and labour saving, the simple and efficient to handle method controlling Huang-Huai-Hai winter wheat Tian great Sui amur foxtail.
For realizing above-mentioned technical purpose, the technical scheme is that and be achieved in that:
A kind of method controlling Huang-Huai-Hai winter wheat Tian great Sui amur foxtail, by adjusting date of seeding, the mode controls such as induction is emerged, and accelerates to emerge, flame weed eradication, rational close planting grass, implement especially by following steps:
1) date of seeding adjustment: the wheat cultivation time by traditional late September-early October postpones to late October, namely by traditional late September-early October postpones to mid or late October, delay 20 days, form time difference date of seeding；
2) induction is emerged: keeps field soil water content between 15%-25%, reaches more than the 70% of field capacity, and week, temperature on average was between 15-25 DEG C, induced emerging of big fringe amur foxtail；After first crop crop harvesting before soil cultivating, as made preparation for ploughing and sowing, agricultural land soil water content is relatively low, does not reach the 70% of field capacity, then irrigate once, makes soil moisture content reach the 70%-85% of field capacity, induces big fringe amur foxtail to emerge；
3) accelerate to emerge: guarantee to carry out agricultural land soil farming before October 1 then, agricultural land soil tillage system reform is shallow rotary tillage, the rotary tillage degree of depth is 15-20cm, chesson, accelerate upper soll layer and the big fringe amur foxtail seed sprouting of shallow soil layer (≤12cm), after soil cultivating to wheat cultivation the vacant time limit no less than 20 days, it is ensured that big fringe amur foxtail emerges and continues no less than 20 days；After farming, the big fringe amur foxtail in upper soll layer and shallow soil layer starts to emerge, and continues 20 days in " time difference date of seeding " before wheat cultivation；After soil rotary tillage, field soil soil moisture content is better, keeps field soil water content between 15%-25%, reaches more than the 70% of field capacity；Big fringe amur foxtail seed or the plumelet of upper soll layer and shallow soil layer are emerged 20 days continuously, big fringe amur foxtail terminal bud (< 1.0cm) accounting 19.2% ~ 30.5%；Terminal bud (>=1.0cm), leaf one heart stage (plant height >=4.0cm) or two leaves wholeheartedly (plant height >=5.0cm) accounting 62.0%, the big fringe amur foxtail emerged after 20 days and being about to plumelet of emerging reaches more than the 80% of field emergence amount then；
4) flame weed eradication: before mid or late October wheat cultivation, uses flame weed eradication apparatus to emerging big fringe amur foxtail and plumelet carries out weed eradication；The burner of selective combustion liquefied petroleum gas carries out flame weeding, weeding temperature 800-1000 DEG C, carried out flame and go out and remove before the big fringe amur foxtail 3 leaf phase；
5) late October sowing Semen Tritici aestivi, adopts the upper limit of broadcast kind locality conventional seed planting amount, rational close planting；180 ~ 225kg hm can be reached in Jinan Jimai 22 application rate-2。
Beneficial effects of the present invention: the method safety of the present invention is efficient, environmental protection, by contrast it have been experienced that the wheat weeds big fringe anti-usefulness of amur foxtail is reached 85.2% by the method, wheat increase yield 28.0%；Because the method is without the use of chemical herbicide, it is only agronomic measures, time and labour saving, simple and efficient to handle, it is effectively reduced the environmental pollution caused because chemical herbicide uses, ecological disruption, crops pesticide residues etc., thus the green prevention and control of winter wheat Tian great Sui amur foxtail in Instructing manufacture practice, improve agricultural product security.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is that described according to embodiments of the present invention big fringe amur foxtail is at wheat paddock occurrence dynamics figure；Wherein, abscissa is the date, and vertical coordinate is the generation strain number of big fringe amur foxtail, and square is the generation strain number of the not big fringe amur foxtail that same date records；
Fig. 2 is the impact on its yield under wheat density 3 kinds different of described according to embodiments of the present invention big fringe amur foxtail, and abscissa is weed density, and vertical coordinate is the underproduction rate of wheatland, and prismatic represents that the planting density of Semen Tritici aestivi is 67.5kg hm-2, round dot represents that the planting density of Semen Tritici aestivi is 135.0kg hm-2, square represents that the planting density of Semen Tritici aestivi is 202.5kg hm-2。
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical scheme of the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.
A kind of method controlling Huang-Huai-Hai winter wheat Tian great Sui amur foxtail described according to embodiments of the present invention, by adjusting date of seeding, the mode controls such as induction is emerged, and accelerates to emerge, flame weed eradication, rational close planting grass, implement especially by following steps:
1) date of seeding adjustment: the wheat cultivation time by traditional late September-early October postpones to mid or late October, namely delay 20 days, form time difference date of seeding；
2) induction is emerged: keeps field soil water content between 15%-25%, reaches more than the 70% of field capacity, and week, temperature on average was between 15-25 DEG C, induced emerging of big fringe amur foxtail；After first crop crop harvesting before soil cultivating, as made preparation for ploughing and sowing, agricultural land soil water content is relatively low, does not reach the 70% of field capacity, then irrigate once, makes soil moisture content reach the 70%-85% of field capacity, induces big fringe amur foxtail to emerge；
3) accelerate to emerge: guarantee to carry out agricultural land soil farming before October 1 then, agricultural land soil tillage system reform is shallow rotary tillage, the rotary tillage degree of depth is 15-20cm, chesson, accelerate upper soll layer and the big fringe amur foxtail seed sprouting of shallow soil layer (≤12cm), after soil cultivating to wheat cultivation the vacant time limit no less than 20 days, it is ensured that big fringe amur foxtail emerges and continues no less than 20 days；After farming, the big fringe amur foxtail in upper soll layer and shallow soil layer starts to emerge, and continues 20 days in " time difference date of seeding " before wheat cultivation；After soil rotary tillage, field soil soil moisture content is better, keeps field soil water content between 15%-25%, reaches more than the 70% of field capacity；Big fringe amur foxtail seed or the plumelet of upper soll layer and shallow soil layer are emerged 20 days continuously, big fringe amur foxtail terminal bud (< 1.0cm) accounting 19.2% ~ 30.5%；Terminal bud (>=1.0cm), leaf one heart stage (plant height >=4.0cm) or two leaves wholeheartedly (plant height >=5.0cm) accounting 62.0%, the big fringe amur foxtail emerged after 20 days and being about to plumelet of emerging reaches more than the 80% of field emergence amount then；
4) flame weed eradication: before mid or late October wheat cultivation, uses flame weed eradication apparatus to emerging big fringe amur foxtail and plumelet carries out weed eradication；The burner of selective combustion liquefied petroleum gas carries out flame weeding, weeding temperature 800-1000 DEG C, carried out flame and go out and remove before the big fringe amur foxtail 3 leaf phase；
5) mid or late October sowing Semen Tritici aestivi, adopts the upper limit of broadcast kind locality conventional seed planting amount, rational close planting；180 ~ 225kg hm can be reached in Jinan Jimai 22 application rate-2。
1) after first crop crop harvesting before soil cultivating, carrying out agricultural land soil farming as early as possible, carried out before October 1, as made preparation for ploughing and sowing, agricultural land soil water content is relatively low, does not reach the 70% of field capacity, then irrigate once, makes field-moisture capacity reach about 70%；
2) during farming operation, the weeds that emerged of part are turned to that bottom is dead or root system exposed soil table lacks water nutrition and dead, and after farming, upper soll layer or shallow soil layer weeds start to emerge, lasting 20 days of growth of emerging；
3), after 20 days, flame weed eradication device before wheat cultivation, is adopted to carry out weed eradication；
4) mid or late October carries out wheat cultivation.
Before wheat cultivation, soil moisture content is suitable for big fringe amur foxtail and emerges, after continuing 20 days, seed in upper soll layer or shallow soil layer then can be sprouted 91.0%(and emerge 61.0%, plumelet 18.8% ~ 30.0%), now adopt flame weed eradication device to carry out weed eradication, it is possible to prevent and kill off the weeds of 85.2%.Inapplicable chemical herbicide both can effective prevention and control weeds.Alleviate some row problems that chemical weed control machine brings.
Below the present invention is described in further detail:
One, the winter wheat sowing time suitably postpones
Proper seeding is to promote that winter wheat emergence rate improves, the key technology in strong sprout before the formation winter, and then for the time of infertility growth promoter and high yield good harvest lay a solid foundation, change along with global climate, autumn and winter climate warming oneself become the fact, date of seeding partially early cause the growth of each period of duration of winter wheat all have in various degree in advance, the growth promoter of Semen Tritici aestivi can be adversely affected, wheat growth is too fast causes cold performance to reduce, and subjects to freeze injury and cuts waste soil fertility.Early sowing also can affect the root growth of Semen Tritici aestivi, underground " false prosperous Seedling " phenomenon not long, prosperous length on the ground occurs, easily causes the later stage to lodge.Winter wheat sowing requires that daily mean temperature stably drops to 18--16 DEG C, within 2009 2010, Huang-Huai-Hai is with Xinxiang, Henan, Feicheng, Shandong, Hebei Yongnian are example, the 1st week October temperature on average respectively 22.4 DEG C, 21.8 DEG C, 21.5 DEG C, 2013 and Jinan, Shandong Province temperature on average in first week October in 2014 are 22.1 DEG C, it is above the suitable temperature of wheat cultivation requirement, if sowing winter wheat, then date of seeding inclined morning before and after Huang-Huai-Hai also October 1 routinely；Late October, above-mentioned four ground temperature on average in the 1st week October respectively 15.6 DEG C, 16.2 DEG C, 14.9 DEG C, 16.4 DEG C, it is suitable for sowing Semen Tritici aestivi.
Two, the field occurrence dynamics of big fringe amur foxtail
Carrying out experimental investigation in 2013-2015 at suburbs, Jinan City, Shandong Province (36 ° of 72 ' N, 117 ° of 07 ' E) winter wheat field, the big fringe amur foxtail in experimental plot occurs serious, and for summer corn-winter wheat rotation plough land, tillage method is the shallow rotary tillage of straw-returning.Within 2 years, test was respectively on October 3rd, 2013, on October 8th, 2014 artificial seeding's Semen Tritici aestivi, kind is Jimai 22, and application rate is 202.5kg hm-2, harvest time is on June 2nd, 2014 respectively, on June 15th, 2015.Process of the test does not use herbicide, manually pulls out other weeds.
Experimental investigation result shows before first crop crop harvesting, and the big fringe amur foxtail of JIUYUE early and middle ten days has in field and emerges on a small quantity, but the big fringe amur foxtail emerged along with soil cultivating major part before wheat cultivation is dead or buried, after farming operation, namely has big fringe amur foxtail to emerge.As it is shown in figure 1, in early October to the last ten-days period, week, temperature on average was between 22.1 14.6 DEG C, big fringe amur foxtail emerges several higher, accumulative 748 strain m of emerging-2, account for the 61.0% of whole Growing season output of seedling；To mid-November, all temperature on average is down between 10.9 DEG C, the accumulative 1116 strain m of emerging of big fringe amur foxtail-2, account for the 91.0% of whole Growing season output of seedling.It it is the big fringe amur foxtail emergence peak phase from the early October after soil cultivation to mid-November.Wherein emerge maximum one week in late October, and all temperature on average is 14.6 DEG C, 262 strain m of emerging altogether-2, account for the 21.4% of whole Growing season output of seedling.Subsequently along with the rapid reduction of temperature, big fringe amur foxtail emerges and also reduces rapidly.To mid-December, all temperature on average is down to less than 3.3 DEG C, end of emerging before the big fringe amur foxtail winter.In February in next year 1, week, temperature on average was between 2.7 4.2 DEG C, emerged without big fringe amur foxtail.March, along with the rising of temperature, week temperature on average start above 4.7 DEG C, big fringe amur foxtail has and sporadicly emerges；Entering after April, big fringe amur foxtail Growing season is emerged end.From emerge sum it can be seen that before the big fringe amur foxtail winter output of seedling account for whole Growing season and emerge the 98.6% of total amount, emerging spring only accounts for whole Growing season and emerges the 1.4% of total amount.
Three, flame weed eradication and wheat increase yield effect
Carrying out big fringe amur foxtail prevention and control test in 2014-2015 at suburbs, Jinan City, Shandong Province (36 ° of 72 ' N, 117 ° of 07 ' E) winter wheat field, point two process, application rate is 202.5kg hm respectively-2, each process repeats for 4 times, and each replicated plot area is 100m2(10m × 10m), processing 1 is tradition October 3 sowing time, and the big fringe amur foxtail of whole wheat growing season not prevention and control manually pulls out other weeds.Processing 2, before farming, agricultural land soil water-holding capacity is 72%, is conducive to emerging of big fringe amur foxtail, and after test farming operation, big fringe amur foxtail starts sprouting and emerges, and adopts flame weed eradication method to carry out weed eradication, sowed with October 23 after 20 days.Herbicide is not used in experimental plot, manually pulls out other weeds, other field management normal management.Investigating discovery to harvest time, to process the density of the 1 big fringe amur foxtail in field be 181 stem m-2, processing 2 Field densities is 26.8 stem m-2, processing 1 with process 2 Semen Tritici aestivi average products is respectively 4700.4kg hm-2, 6531.5kg hm-2.The big anti-usefulness of fringe amur foxtail is reached 85.2% by method described in this patent, makes wheat increase yield 28.0%.
Table 1: the flame weed eradication control effect to weeds
Four, wheat yield is constituted impact by big fringe amur foxtail
Carrying out experimental investigation in 2013-2015 at suburbs, Jinan City, Shandong Province (36 ° of 72 ' N, 117 ° of 07 ' E) winter wheat field, for summer corn-winter wheat rotation plough land, tillage method is the shallow rotary tillage of straw-returning.Within 2 years, test was respectively on October 3rd, 2013, on October 8th, 2014 artificial seeding's Semen Tritici aestivi, kind is Jimai 22, and application rate is 202.5kg hm-2, harvest time is on June 2nd, 2014 respectively, on June 15th, 2015.In conjunction with the method for artificial vaccination, the field big fringe final density of setting of amur foxtail density is 0,10,20,40,60,120,210,240,330 and 420 strain m-2Different disposal, each process 4 repetition.Community random alignment, plot area 1m2(1m × 1m).Before in experimental plot, big fringe amur foxtail divides the winter, the early spring, 3 final singlings of period of seedling establishment, before the winter according to slightly above set the preliminary final singling of density, the early spring, period of seedling establishment determine the actual strain density of big fringe amur foxtail.10d before harvesting wheat, Wheat Yield Influence is no longer changed by big fringe amur foxtail substantially, extracts each community weeds, the investigation final stem number of weeds and fresh weight.During harvesting wheat, investigate the indexs such as Semen Tritici aestivi number of productive ear, grain number per spike, mass of 1000 kernel, cell production, the wheat yield between the process of comparative analysis difference weed density, analyze the impact that wheat yield is constituted by the harm of big fringe amur foxtail.
As shown in table 2, the Changing Pattern of wheat yield and big fringe amur foxtail generation density are negative correlation, when big fringe amur foxtail density is 10 strain m-2Time, wheat yield is compared with without big fringe amur foxtail generation check plot and is all significantly reduced, and output per hectare is 57373.7kg, loss rate 4.6%；When big fringe amur foxtail density is 240 strain m-2Time, the output per hectare of Semen Tritici aestivi is 3689.0kg, and loss rate is 52.3%；When big fringe amur foxtail density all reaches test maximal density 420 strain m-2Time, the output per hectare underproduction of Semen Tritici aestivi is to 2641.0kg, and loss rate is up to 65.8%.
As shown in Table 2, along with the increase of weeds generation density, wheatear decrease in density is obvious, when weeds strain density rises to 240 strain m from 0-2Time, wheatear density is reduced to 426.8 ten thousand fringes from per hectare 669.3 ten thousand fringe, decreases 36.2%.When weeds strain density reaches 420 strain m-2Time wheatear density be per hectare 299.6 ten thousand fringe, reduce 55.2%.The linear fit equation of different densities weeds and wheatear density relationship.Equation and R2Respectivelyy=-0.0117x+ 5.286, R2=0.9572.Wheatear density all reduces with the increase of weed density.In conjunction with the impact on wheat yield rate of the big fringe amur foxtail, it can be seen that big fringe amur foxtail, in the impact on wheat yield, reduces the main path that wheatear density is yield effect.
Big fringe amur foxtail density increases to 420 strain m from 0-2, wheat grains per spike reduces to 20.9 from 28.4, reduces 26.1%.The linear fit equation of different densities weeds and wheat grains per spike relation.Equation and R2Respectivelyy=-0.0197x+ 28.556, R2=0.877, it can be seen that reducing wheat grains per spike is the big fringe amur foxtail important channel to Wheat Yield Influence.
Between different densities processes, thousand grain weight of wheat Changing Pattern is inconspicuous, and difference is not notable, and mass of 1000 kernel is all between 39.7 ~ 45.4g.Big fringe amur foxtail occurs how many impact on thousand grain weight of wheat slight, on the impact of wheat yield mainly by affect wheatear density and grain number per spike realization.
Table 2: the different densities big fringe amur foxtail impact on wheatear density, grain number per spike and mass of 1000 kernel
Five, wheat yield is constituted impact by big fringe amur foxtail under wheat planting different densities
As in figure 2 it is shown, the Changing Pattern of wheat yield and big fringe amur foxtail generation density are negative correlation, wheat cultivation amount is 67.5,135.0 and 202.5kg hm-2Planting density under, when big fringe amur foxtail density is 10 strain m-2Time, the yield of Semen Tritici aestivi is compared with the check plot occurred without big fringe amur foxtail and is all significantly reduced, and output per hectare respectively 5646.0,6969.8 and 7373.7kg, loss rate reaches 10.4%, 6.6% and 4.6% respectively；As big fringe amur foxtail density respectively 280,240,240 strain m under 3 wheat densities-2Time, the output per hectare of Semen Tritici aestivi respectively 2694.9,2816.5,3689.0kg, loss rate respectively 57.3%, 62.3%, 52.3%；Wheat cultivation amount is 67.5 and 202.5kg hm-2Under planting density, when big fringe amur foxtail density all reaches test maximal density 400 and 420 strain m-2Time, the output per hectare of Semen Tritici aestivi respectively 2139.0 and 2641.0kg, loss rate is respectively up to 66.1% and 65.8%.
Semen Tritici aestivi 67.5,135.0,202.5kg hm-2In 3 kinds of application rate situations, big fringe amur foxtail generation density and wheat yield rate are carried out linear fit, equation and R2Respectivelyy=0.1349x+ 15.027, R2=0.9385；y=0.2409x+ 7.0166, R2=0.9823；y=0.1437x+ 11.084, R2=0.9499.As seen from Figure 1, under 3 wheat cultivation density, underproduction rate all strengthens along with the increase of weed density, and 67.5 and 202.5kg hm-2Under wheat cultivation amount, the effect tendency line of underproduction rate is two parallel straight lines by big fringe amur foxtail, and underproduction trend is consistent；When wheat cultivation amount is 135.0kg hm-2Time, Trendline is along with the increase of weed density, and Trendline quickly raises up, and wheat yield trend relatively another two planting density is more rapid, this illustrates that the planting density of Semen Tritici aestivi can regulate the impact on wheat yield of the big fringe amur foxtail, and rational close planting is the important channel alleviating harm.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (8)
1. the method controlling Huang-Huai-Hai winter wheat Tian great Sui amur foxtail, comprises the following steps:
1) adjust date of seeding: winter wheat date of seeding is delayed late October by late September to early October, form time difference date of seeding；
2) induction is emerged: after first crop crop harvesting to soil again farming, keeps soil moisture content to reach the 70% ~ 85% of field capacity；
3) accelerate to emerge: guarantee to carry out agricultural land soil farming before October 1 then, agricultural land soil tillage system reform is shallow rotary tillage, the rotary tillage degree of depth is 15-20cm, chesson, accelerate upper soll layer and the big fringe amur foxtail seed sprouting of shallow soil layer, after soil cultivating to wheat cultivation the vacant time limit no less than 20 days, it is ensured that big fringe amur foxtail emerges and continues no less than 20 days；
4) flame weed eradication: before mid or late October wheat cultivation, uses the flame weed eradication apparatus big fringe amur foxtail to having emerged and plumelet to carry out flame weed eradication process；
5) rational close planting: sowing Semen Tritici aestivi in mid or late October after concentrating weed eradication, wheat cultivation amount is the upper limit of broadcast kind locality conventional seed planting amount, rational close planting.
2. the method controlling Huang-Huai-Hai winter wheat Tian great Sui amur foxtail as claimed in claim 1, it is characterized in that, in step 1), described time difference date of seeding be winter wheat date of seeding by annual late September-early October postpones to mid or late October, delay 20 days, form time difference date of seeding.
3. the method controlling Huang-Huai-Hai winter wheat Tian great Sui amur foxtail as claimed in claim 1, it is characterised in that in step 2) in, keep field soil water content between 15%-25%, reaching more than the 70% of field capacity, week, temperature on average was between 15-25 DEG C, induced emerging of big fringe amur foxtail.
4. the method controlling Huang-Huai-Hai winter wheat Tian great Sui amur foxtail as claimed in claim 1, it is characterised in that in step 3), after soil rotary tillage, field soil soil moisture content is better, keeps field soil water content between 15%-25%, reaches more than the 70% of field capacity；Big fringe amur foxtail seed or the plumelet of upper soll layer and shallow soil layer are emerged 20 days continuously.
5. the method controlling Huang-Huai-Hai winter wheat Tian great Sui amur foxtail as claimed in claim 4, it is characterised in that in step 3), big fringe amur foxtail terminal bud < 1.0cm accounting 19.2% ~ 30.5%；Terminal bud >=1.0cm, leaf one heart stage, wholeheartedly, plant height >=5.0cm, accounting 62.0%, the big fringe amur foxtail emerged after 20 days and being about to plumelet of emerging reaches more than the 80% of field emergence amount then for plant height >=4.0cm or two leaves.
6. the method controlling Huang-Huai-Hai winter wheat Tian great Sui amur foxtail as claimed in claim 1, it is characterized in that, in step 4), the burner of selective combustion liquefied petroleum gas carries out flame weeding, weeding temperature is 800-1000 DEG C, carries out flame and go out and remove before the big fringe amur foxtail 3 leaf phase.
7. the method controlling Huang-Huai-Hai winter wheat Tian great Sui amur foxtail as claimed in claim 1, it is characterised in that in step 5), reach 180 ~ 225kg hm in Jinan Jimai 22 application rate-2。
8. the as claimed in claim 1 method controlling Huang-Huai-Hai winter wheat Tian great Sui amur foxtail, it is characterised in that step 2) in, lower than field capacity 70% time, then irrigate once.
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| CN101015250A (en) * | 2006-09-12 | 2007-08-15 | 蒋孝松 | Technique for interplanting wheat with rice |
| CN101138334A (en) * | 2007-10-18 | 2008-03-12 | 梁明华 | Method of controlling the generation of autogeny rice in the direct seeding paddy field |
| CN101233841A (en) * | 2008-02-29 | 2008-08-06 | 江苏里下河地区农业科学研究所 | Method for preventing and removing weedy rice and weed in direct seeding and interplanting paddy field |
| CN103749422A (en) * | 2012-07-20 | 2014-04-30 | 句容市农业技术推广中心 | Technology for controlling generation of wild rice |
| CN104335860A (en) * | 2013-09-10 | 2015-02-11 | 华中农业大学 | High-yield and high-efficiency cultivation technology for drily direct-seeding rice |
| CN104663063A (en) * | 2015-02-09 | 2015-06-03 | 山东省农业科学院植物保护研究所 | Tillage method for controlling aegilops tauschii as malignant weed in wheat fields |
| CN105145535A (en) * | 2015-07-03 | 2015-12-16 | 北京北菜园农业科技发展有限公司 | Plant system weeding method |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101015250A (en) * | 2006-09-12 | 2007-08-15 | 蒋孝松 | Technique for interplanting wheat with rice |
| CN101138334A (en) * | 2007-10-18 | 2008-03-12 | 梁明华 | Method of controlling the generation of autogeny rice in the direct seeding paddy field |
| CN101233841A (en) * | 2008-02-29 | 2008-08-06 | 江苏里下河地区农业科学研究所 | Method for preventing and removing weedy rice and weed in direct seeding and interplanting paddy field |
| CN103749422A (en) * | 2012-07-20 | 2014-04-30 | 句容市农业技术推广中心 | Technology for controlling generation of wild rice |
| CN104335860A (en) * | 2013-09-10 | 2015-02-11 | 华中农业大学 | High-yield and high-efficiency cultivation technology for drily direct-seeding rice |
| CN104663063A (en) * | 2015-02-09 | 2015-06-03 | 山东省农业科学院植物保护研究所 | Tillage method for controlling aegilops tauschii as malignant weed in wheat fields |
| CN105145535A (en) * | 2015-07-03 | 2015-12-16 | 北京北菜园农业科技发展有限公司 | Plant system weeding method |
Non-Patent Citations (1)
| Title |
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| "《新编农业机械学》" * |
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