CN105993472B - A method of the joyous crop rotation between rice of hydration produces aquatic vegetable and green manure simultaneously - Google Patents
A method of the joyous crop rotation between rice of hydration produces aquatic vegetable and green manure simultaneously Download PDFInfo
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- CN105993472B CN105993472B CN201610342772.2A CN201610342772A CN105993472B CN 105993472 B CN105993472 B CN 105993472B CN 201610342772 A CN201610342772 A CN 201610342772A CN 105993472 B CN105993472 B CN 105993472B
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- 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
- A01G22/20—Cereals
- A01G22/22—Rice
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- 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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
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Abstract
The invention discloses a kind of joyous methods that crop rotation produces aquatic vegetable and green manure simultaneously between rice of hydration, intercropping plant rice and hydration are joyous according to a certain percentage i.e. during double cropping of rice, being hydrated at this time can vigorously grow together in the environment of paddy field with rice, and the rhizobium on the surface of paddy field can increase soil nitrogen concentrations with fixed nitrogen.After early rice harvest, harvested joyous edible portion is hydrated, inedible part all turns over returning to the field as green manure；Continue the hydration of winter kind after late rice harvest vigorously, and planted in next year early rice and winter kind is hydrated joyous edible portion harvest by or so previous moon, inedible part all turns over returning to the field as green manure.The implantation methods of crop rotation can not only maintenance of soil fertility while improving rice yield between rice proposed by the present invention and hydration are joyous, moreover it is possible to the investment of fertilizer nitrogen is reduced, to slow down pollution of area source caused by Rice Production.
Description
Technical field
The present invention relates to agricultural plantation technology fields, raw simultaneously more particularly, to a kind of joyous crop rotation between rice of hydration
The method for producing aquatic vegetable and green manure.
Background technique
Demand of the rice to nitrogenous fertilizer is high at present, and excessive fertilizer nitrogen investment brings serious agricultural non-point source pollution to ask
Topic, therefore reduce fertilizer nitrogen investment and be of great significance for relieving pollution of agricultural area source.Make to be to reduce between grass family and pulse family
Fertilizer nitrogen puts into and can improve effective cropping pattern of land area of one unit yield and economic benefit.But these research majorities be
Nonirrigated farmland carries out, hydration it is joyous (Neptunia oleracea, the entitled water mimosa of English) and it is the more of pulse family withe water albizzia
Nian Sheng aquatic herbaceous plant, plant are grown in a manner of swimming in waters such as paddy field, lakes, therefore are planted in South China double cropping of rice
Period can intercropping plant rice and hydration be joyous according to a certain percentage under the environment of paddy field.Intercropping mode is lauched silk tree, and there are two types of answer
With on the one hand can be used as edible vegetable, on the other hand the rhizobium on its paddy field surface can carry out fixed nitrogen, hand in paddy field dry and wet
For in the process, rhizobium nitrogenase activity enhances, therefore can be used as green manure.Early rice edible portion after producing that hydration is joyous
Harvest, inedible part turn over returning to the field all as green manure with culture fertility.Late rice continues the hydration of winter kind vigorously after producing,
The joyous edible portion of hydration can be harvested or so previous moon by planting in next year early rice, and be turned over using inedible part as green manure
Returning to the field.
Hydration is joyous, and in Taiwan and Vietnam, Thailand etc., countries in Southeast Asia are important aquatic vegetable at present, in South China
Also it is suitble to plantation.In China, hydration is joyous only in Hubei province introducing and planting, but because plant can not under -4 DEG C of environment it is overwintering due to not
It can be widely applied, other areas temporarily do not find largely to plant.It is found through test observation, it is right since hydration is vigorously sprawl growth
The suffertibility of typhoon disaster is extremely strong, therefore in hydration vigorously and under rice intercropping mode, receives even if encountering disaster caused by a windstorm and rice being caused to lose,
It still can guarantee that peasant obtains and be hydrated joyous yield and income, reduce disaster caused by a windstorm loss.In addition to edible value, it is few to be hydrated joyous pest and disease damage, no
A large amount of pesticides need to be used, it is convenient for management, organic farming is advantageously implemented, for legume and rice in current paddy field environment
Between make production model at home and abroad there is not yet report.
Summary of the invention
The technical problem to be solved by the present invention is to overcome drawbacks described above existing in the prior art, it is joyous to provide a kind of hydration
The method that crop rotation produces aquatic vegetable and green manure simultaneously between rice.
The purpose of the present invention is what is be achieved by the following technical programs:
A method of the joyous crop rotation between rice of hydration produces aquatic vegetable and green manure simultaneously, is to plant period in early rice,
Intercropping plant early rice and hydration are joyous according to a certain percentage, the joyous edible portion harvest of hydration, inedible portion after early rice harvest
It is allocated as all turning over returning to the field for green manure；Period is planted in late rice, according to ratio intercropping plant late rice identical with early rice and hydration
Vigorously, it after late rice harvest, is harvested joyous edible portion is hydrated, retains the joyous inedible part of hydration and carry out winter kind, and secondary
Early rice was planted and the previous moon the joyous edible portion of hydration of winter kind was harvested year, and inedible part all turns over also as green manure
Field.
The technical problem to be solved by the present invention is to realize Rotation System between pulse family and rice under water body environment, pass through by
Leguminous plant with edible economic value is hydrated the vigorously crop rotation between rice, is contained using the nitrogen fixation increase Soil Nitrogen for being hydrated joyous
Amount, and fertilizer nitrogen investment is reduced, and then reduce agricultural non-point source pollution.This method in rice field by pressing related regulation intercropping plant
Rice and hydration are joyous, fertilizer nitrogen investment are reduced using leguminous plant as green manure, while can improve the life of land area of one unit
Force of labor and economic benefit.
The joyous method that crop rotation produces aquatic vegetable and green manure simultaneously between rice of hydration of the present invention, feature exist
In, comprising the following steps:
S1. make to be hydrated joyous and early rice between:
S11. site preparation, shoot transplanting equipment: during early rice is planted, it is joyous to insert kind of hydration while transplanting early-rice seedlings, early-rice seedlings
It is 4:3 with joyous intercropping plant ratio is hydrated, every 4 row early-rice seedlings are vigorously used as one as a Rice Cropping band, every 3 row hydration
It is hydrated joyous growth belt；The specification that the early-rice seedlings insert kind of seeding row spacing is (20~25) cm × (20~25) cm；Joyous slotting kind of hydration
Seeding row spacing is (15~20) cm × (20~25) cm；Plantation row band is east-west.
S12. water management: early-rice seedlings transplant and keep 7cm~10cm water layer in 20 days, and early rice late tillering state is using dry
Based on wet alternate irrigation, the dry field time is 3~5 days, every time 3~5 cm water layers of filling behind dry field, boot stage front and back holding 5cm~
7cm water layer, the maturity period is using wet-shallow irrigation and keeps ground moistening not season cracking.
S13. fertilizer management；
S14. hydration is joyous and early rice harvests: inserting, kind of the hydration hydration of harvesting in joyous 60~75 days is joyous, gathers in after early rice maturation
Early rice；
S15. returning to the field: after early rice harvesting, joyous inedible part will be hydrated and all turn over returning to the field as green manure；
S2. make to be hydrated joyous and late rice between:
S21. during late rice plantation, site preparation, shoot transplanting equipment, water management, fertilizer management same S11, S12, S13；
S22. hydration is joyous and late rice harvests: inserting, kind of the hydration hydration of harvesting in joyous 55~75 days is joyous, gathers in after late rice maturation
Late rice；
S3. the hydration of winter kind is joyous:
S31. after late rice harvest, retain and be hydrated joyous inedible part progress winter kind, to its item that sends forth branches again；
S32. winter kind fertilizer management: 2 kg urea are applied per acre and promote to be hydrated joyous New shoot growth；
S33. winter kind water management: kind early period in winter, field face pour water weekly after being kept for 3~5cm water layer 10 days, 10 days it is primary,
3~5cm water layer is filled every time；
S34. hydration vigorously harvests returning to the field: next year early rice plants the previous moon, and winter kind is hydrated joyous edible portion and is received
It obtains, inedible part all turns over returning to the field as green manure.
Research in the prior art in relation to rice and other crop interplantings or crop rotation has very much, however some are made or crop rotation
The disease pest and weed in order to prevent in rice field, some be then in order to obtain rice and other crop yields, in addition, rice and other
Shift of crops forms a small ecosphere after making, and for certain specific crop, makees between rice or crop rotation
Mode needs to make corresponding adjustment." work+crop rotation " mode has specific technical parameter and main purpose in the present invention, i.e., logical
It crosses and is hydrated investment and agricultural non-point source pollution that joyous nitrogen fixation and green manure production reduce nitrogenous fertilizer during Rice Production, Yi Jiti
The fertility and economic benefit of high unit area, meanwhile, " work+crop rotation " mode also has crop rotation between crop in the present invention
Other benefits of bring.
The above-mentioned water management of the present invention can achieve 3 purposes: (1) meeting hydration vigorously to the most basic demand of moisture；
(2) activity for being conducive to the joyous root nodule of raising hydration (inventor's research discovery: under long-term waterflooding and anoxia condition, is hydrated vigorously not
Root nodule easily generated)；(3) make to be hydrated joyous root nodule more fully to contact with air, so that the nitrogen in air is fixed on root nodule position.
Preferably, joyous kind of the maturation for being 15~20cm of interception of inserting of hydration described in S11 and S21 is hydrated joyous stem's cuttage to water
In the soil of field, when cuttage, enters stem one end in soil with 3~7 degree of angle oblique cuttings, 4~5 cm of embedded depth, the overground part of stem
Naturally smooth in the water surface, so as to its agio face sprawl growth.
Preferably, in fertilizer management described in S13,8~10 kg urea, 19~22 kg are applied per acre before early rice or late rice transplanting
Calcium superphosphate and 8~10kg potassium chloride are as base manure, or apply 800~1000 kg Chicken dung fertilizer per acre as base manure.
Preferably, in fertilizer management described in S13,15~18 days after early rice or late rice transplanting, 4~5kg urea rush is applied per acre
It vigorously takes root into rice tillering and hydration.
Preferably, in fertilizer management described in S13, early rice or late rice transplanting after 30~35 days, apply per acre 5~8 kg urea and
8~10kg potassium chloride promotees the joyous growth of its hydration, combines needed for rice young panicle differentiation nutrition.
Preferably, in fertilizer management described in S13,53~56 days after early rice or late rice transplanting, 2~3 kg urea work is applied per acre
To be hydrated joyous strong stem fertilizer.
Preferably, described to be hydrated joyous and rice harvesting approach are as follows: hydration vigorously covers 90% or more of its plantation row with area
Harvesting, when harvesting, only harvest the young tender part within 30 cm, then gather in rice when rice maturation.
Preferably, site preparation described in S11, S21 refers to arable land and smooth rice field before transplanting, and farming layer depth is 25~35
cm。
Compared with prior art, the invention has the following advantages:
The present invention provides a kind of joyous methods that crop rotation produces aquatic vegetable and green manure simultaneously between rice of hydration, are in morning
In seed rice plant period, intercropping plant early rice and hydration are joyous according to a certain percentage, the joyous edible portion harvest of hydration after early rice harvests,
Inedible part all turns over returning to the field as green manure；Period is planted in late rice, according to ratio intercropping plant identical with early rice
Late rice and hydration are joyous, after late rice harvests, harvest joyous edible portion is hydrated, and retain and are hydrated the joyous inedible part progress winter
Kind, and hydration joyous edible portion harvest of the previous moon winter kind is planted in next year early rice, inedible part is as green manure
All turn over returning to the field；It is extremely strong to typhoon suffertibility since hydration is vigorously sprawl growth, therefore under intercropping mode, even if meeting
Cause rice to lose to disaster caused by a windstorm to receive, still can guarantee that peasant obtains and be hydrated joyous yield and income；In addition, it is few to be hydrated joyous pest and disease damage, no
A large amount of pesticides need to be used, can be used as green vegetables or organic farming；Make to be hydrated joyous and rice, planting experiment result table by
It is bright: (1) when low nitrogenous fertilizer is put into, compared with rice nonoculture, to deal with the yield per unit area for improving rice, rice
Reality account for yield per unit area than nonoculture increase by 35.3%；Under the conditions of reducing for nitrogen, the Land Equivalent Ratio under intercropping mode is
1.22, rate of growth reaches 21.8%, shows under identical cultivated area, and the crop yield of intercropping culture mode is higher than nonoculture mode,
Nitrogen application can be effectively reduced simultaneously.(2) under same nitrogen amount applied, after the plantation of 2 seasons, the total soil nitrogen of nonoculture rice mode
Content with alkali-hydrolyzable nitrogen is respectively than having dropped 4.07% and 4.13% before plantation.However under same amount of nitrogen, intercropping culture mode
Total soil nitrogen and alkali-hydrolyzable nitrogen are respectively than increasing 1.2% and 4.7% before planting after the plantation of 2 seasons.This illustrates to be hydrated vigorously as aquatic
Leguminous plant can input nitrogen to soil from the planting system of symbiotic nitrogen fixation, can culture fertility, and then increase to a certain extent
The nitrogen nutrition that soil is supplied to rice, therefore intercropping mode can both reduce the investment of nitrogen, can also reduce the face source in farmland
Pollution.(3) hydration is vigorously sprawl growth plant, competition for space relationship is not present in height with rice, therefore in intercropping mode
Under, three-dimensional light situation is in the rice leaf for being hydrated joyous adjacent rows band, hence it is evident that better than the plane light state under nonoculture mode
Gesture, the rice with the joyous adjacent rows band of hydration is due to being in more open space, compared with nonoculture, the ventilation of Rice Population
Translucency is obviously improved, and may advantageously facilitate rice high yield.Make collocation between rice and hydration are joyous and changes plant growth
Microenvironment increases illumination, ventilation condition and damp condition between crop groups, in addition what work formed rice pest
" density dilution " effect, as a result can reduce the growth condition of rice blast, thereby reduce the probability of happening of rice blast.Completely not
In the case where using pesticide, the banded sclerotial blight of rice and the disease incidence of rice blast made between joyous hydration substantially reduce (in routine
The banded sclerotial blight of rice and the disease incidence of rice blast are suitable when using chemical pesticide in nonoculture rice)；And then be conducive to improve rice
Yield and quality.
Detailed description of the invention
Fig. 1 is the joyous effect picture between rice in alternating method after the joyous transplanting of rice seedling and hydration of hydration.
Fig. 2 is that hydration is joyous is hydrated the effect picture for starting growth after joyous root between rice in alternating method.
Fig. 3 is that hydration is vigorously hydrated the root nodule effect picture vigorously generated between rice in alternating method.
Fig. 4 is hydration is vigorously hydrated joyous harvest time between rice effect picture in alternating method.
Fig. 5 is that hydration is vigorously hydrated the root nodule effect picture vigorously generated between rice after winter kind in alternating method.
Specific embodiment
With reference to the accompanying drawings of the specification with specific embodiment the present invention will be further explained explanation, but specific embodiment
The present invention is not limited in any way.Unless stated otherwise, reagent, method involved in embodiment are commonly used in the art
Reagent and method.The present invention does not limit in any form the source of compound.
Embodiment 1
Divide A, B, C tri- experiment rice fields processing, wherein rice field A processing is handled for rice nonoculture, and rice field B is handled as hydration vigorously
Nonoculture processing, C processing in rice field is then using crop rotation planting patterns between rice and hydration vigorously.Each four repetitions of each processing, and by with
The arrangement of machine district's groups.All processing choose common fertilizer as fertilizer, and fertilization mode is consistent with dosage.The detailed plantation of rice field C
Operating process are as follows:
S1. double cropping of rice plantation period, intercropping plant rice and hydration were joyous according to a certain percentage.
S11. site preparation: arable land and smooth rice field before transplanting, farming layer depth are the cm of 25cm~35.
S12. during early rice and late rice, it is joyous that kind of hydration shoot transplanting equipment: is inserted while transplanting rice rice shoot；Rice seedling
With the joyous intercropping plant according to a certain percentage of hydration；Rice and the ratio for being hydrated joyous intercropping plant are 4:3, and every 4 row rice is as one
A Rice Cropping band, every 3 row hydration is vigorously as a joyous growth belt of hydration；The rice seedling insert kind of a seeding row spacing specification be
20cm×20cm；Vigorously slotting kind of seeding row spacing is 15cm × 20cm for hydration；It is hydrated joyous seedling to be transplanted using cuttage mode, inserts kind of side
Formula is that the maturation of 15~20 cm of interception is hydrated joyous stem's cuttage into paddy field soil, by stem one end with 3~7 degree when cuttage
Angle oblique cutting enters in soil, 4~5 cm of embedded depth, and the overground part of stem is naturally smooth in the water surface, so that its agio face crawls to give birth to
It is long；Rice is east-west with joyous plantation row band is hydrated.
S13. water management: keeping 7~10cm water layer in transplanting 20 days, to take into account rice striking root and the joyous transplanting of hydration
Seedling root and recovery.It is different from the water management of conventional Rice field, rice tillering latter stage without dry field, using Dry-wet alternate irrigation
Based on, doing the field time is 3~5 days, fills 3~5 cm water layers behind dry field every time；5~7cm water layer, maturity period are maintained before and after boot stage
Using wet-shallow irrigation and keep ground moistening not season cracking.
S14. fertilizer management: 8~10 kg urea, 19~22 kg calcium superphosphate and 8 are applied per acre before early rice and late rice transplanting
~10kg potassium chloride is as base manure；15~18 days after transplanting, 4~5 kg urea are applied per acre and promote rice tillering and hydration joyous raw
Root；30~35 days after transplanting, 5~8 kg are applied per acre and 8~10kg potassium chloride promotees the joyous growth of hydration, combine rice young panicle
Break up needed for nutrition；2~3 kg urea strong stem fertilizer joyous as hydration is applied within 53~56 days after transplanting per acre.
S15. hydration is joyous and early rice harvests: during early rice, hydration can vigorously be gathered in after plantation 60~75 days, practical to gather in
Plant covering was hydrated joyous plantation is gone with area 90% or more and can gather in depending on the area coverage of field face time；When harvesting only
Harvest the young tender part within 30cm；Rice is gathered in when rice maturation.
S16. early rice is hydrated joyous returning to the field: will be hydrated joyous inedible part after early rice harvesting and all turns over returning to the field as green
Fertilizer.
S17. hydration is vigorously harvested with late rice: during late rice, can be gathered in after being hydrated joyous plantation 55~75 days, when reality is gathered in
Between depending on the area coverage of field face, joyous plantation row 90% or more the area of band of plant covering hydration can gather in；When rice maturation
Gather in rice.
S2. the hydration of winter kind is joyous:
S21. the hydration of winter kind is joyous after in late rice and hydration, vigorously edible tender stem is harvested, that is, retains and be hydrated vigorously inedible
Part, to its item that sends forth branches again.
S22. fertilizer management: 2 kg urea are applied per acre after late rice and the joyous harvesting of hydration and promote to be hydrated joyous New shoot growth.
S23. water management: winter kind field early period face is kept for 3~5cm water layer 10 days or so, to be hydrated joyous New shoot growth,
Promote rice root toothing decomposition simultaneously, vigorously provides nutrient to be hydrated；Due to mercury dropped, it is hydrated joyous water requirement and weakens, therefore
It pours water weekly after 10 days primary, fills 3~5 cm water layers every time, for being hydrated the water demand vigorously grown.
S24. the joyous harvest returning to the field of hydration.Next year early rice is planted to be harvested or so previous moon joyous edible portion is hydrated,
Inedible part all turns over returning to the field as green manure.
Under the C tupe of rice field, vigorously there are two types of effects for hydration, on the one hand can be used as edible vegetable, on the other hand its root nodule
Bacterium can carry out fixed nitrogen, the nitrogen in air is fixed in plant body, and be transferred to soil by returning to the field decomposition, reaches fertilizing
The effect of soil fertility.Under low nitrogen investment, after the plantation of 2 seasons, total soil nitrogen and alkali-hydrolyzable nitrogen under rice field A processing nonoculture mode contain
Amount is respectively than having dropped 4.07% and 4.13% before plantation.However the total soil nitrogen and alkaline hydrolysis nitrogen content under C tupe compare respectively
1.2% and 4.7% are increased before plantation.This illustrate hydration vigorously can effective culture fertility, to a certain extent can for rice increase nitrogen
Plain supply.
Embodiment 2
Experimental method is with embodiment 1, and uniquely the difference is that, the fertilizer management of S14 follows the steps below: early rice and evening
800~1000 kg of Chicken dung fertilizer is applied per acre as base manure before rice transplanting；15~18 days after transplanting, 3~4 kg urine is applied per acre
Element；Apply 5~8 kg urea within 30 days after transplanting；2~3 kg urea are applied within 53~56 days after transplanting per acre to promote as rice
Protect fertilizers for potted flowers, while the strong stem fertilizer joyous as hydration.
Claims (7)
1. a kind of joyous method that crop rotation produces aquatic vegetable and green manure simultaneously between rice of hydration, which is characterized in that including following
Step:
S1. make to be hydrated joyous and early rice between:
S11. site preparation, shoot transplanting equipment: during early rice is planted, it is joyous to insert kind of hydration while transplanting early-rice seedlings, early-rice seedlings and water
Silk tree intercropping plant ratio is 4:3, and every 4 row early-rice seedlings are as a Rice Cropping band, and every 3 row hydration is vigorously as a hydration
Joyous growth belt；The specification that the early-rice seedlings insert kind of seeding row spacing is (20~25) cm × (20~25) cm；Kind of plant is vigorously inserted in hydration
Away from for (15~20) cm × (20~25) cm；
S12. water management: early-rice seedlings transplant and keep 7cm~10cm water layer in 20 days, and early rice late tillering state uses alternation of wetting and drying
Based on irrigation, doing the field time is 3~5 days, fills 3~4cm water layer behind dry field every time, 5cm~7cm water layer is kept before and after boot stage,
Maturity period is using wet-shallow irrigation and keeps ground moistening not season cracking；
S13. fertilizer management；
S14. hydration is joyous and early rice harvests: inserting, kind of the hydration hydration of harvesting in joyous 60~75 days is joyous, gathers in early rice after early rice maturation；
S15. returning to the field: after early rice harvesting, joyous inedible part will be hydrated and all turn over returning to the field as green manure；
S2. make to be hydrated joyous and late rice between:
S21. during late rice plantation, site preparation, shoot transplanting equipment, water management, fertilizer management same S11, S12, S13；
S22. hydration is joyous and late rice harvests: inserting, kind of the hydration hydration of harvesting in joyous 55~75 days is joyous, gathers in late rice after late rice maturation；
S3. the hydration of winter kind is joyous:
S31. after late rice harvest, retain and be hydrated joyous inedible part progress winter kind, to its item that sends forth branches again；
S32. winter kind fertilizer management: 2kg urea is applied per acre and promotes to be hydrated joyous New shoot growth；
S33. winter kind water management: kind early period in winter, field face are kept for 3~5cm water layer 10 days, start within the 11st day to pour water weekly primary,
3~5cm water layer is filled every time；
S34. hydration vigorously harvests returning to the field: next year early rice plants the previous moon, and winter kind is hydrated joyous edible portion and is harvested, can not
Edible part all turns over returning to the field as green manure.
2. the joyous method that crop rotation produces aquatic vegetable and green manure simultaneously between rice of hydration according to claim 1, special
Sign is, joyous kind of the maturation for being 15~20cm of interception of inserting of hydration described in S11 and S21 is hydrated joyous stem's cuttage to paddy field soil
In, when cuttage, enters stem one end in soil with 3~7 degree of angle oblique cuttings, 4~5cm of embedded depth, so that its agio face crawls to give birth to
It is long.
3. the joyous method that crop rotation produces aquatic vegetable and green manure simultaneously between rice of hydration according to claim 1, special
Sign is, in fertilizer management described in S13, early rice or late rice transplanting before apply per acre 8~10kg urea, 19~22kg calcium superphosphate and
8~10kg potassium chloride is as base manure, or applies 800~1000kg Chicken dung fertilizer per acre as base manure.
4. the joyous method that crop rotation produces aquatic vegetable and green manure simultaneously between rice of hydration according to claim 1, special
Sign is, in fertilizer management described in S13,15~18 days after early rice or late rice transplanting, applies 4~5kg urea per acre.
5. the joyous method that crop rotation produces aquatic vegetable and green manure simultaneously between rice of hydration according to claim 1, special
Sign is, in fertilizer management described in S13,30~35 days after early rice or late rice transplanting, applies 5~8kg urea and 8~10kg chlorine per acre
Change potassium.
6. the joyous method that crop rotation produces aquatic vegetable and green manure simultaneously between rice of hydration according to claim 1, special
Sign is, in fertilizer management described in S13,53~56 days after early rice or late rice transplanting, applies 2~3kg urea per acre.
7. the joyous method that crop rotation produces aquatic vegetable and green manure simultaneously between rice of hydration according to claim 1, special
Sign is that site preparation described in S11, S21 refers to arable land and smooth rice field before transplanting, and farming layer depth is 25~35cm.
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