CN108260485A - A kind of method of the method and Rice Cropping of three flowers mixed seeding green manure returning to the field - Google Patents
A kind of method of the method and Rice Cropping of three flowers mixed seeding green manure returning to the field Download PDFInfo
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Abstract
A kind of method of three flowers mixed seeding green manure returning to the field, it is related to field of plant growing technology, it uses three kinds of Chinese milk vetch, rape, Radish green manure to carry out mixed seeding, space resources is more efficiently utilized, improve the per unit area yield of green manure, the ratio of the nutrients such as the nitrogen, phosphorus, potassium of green manure is also balanced, is conducive to the high yield and bumper harvest of rear season rice.A kind of method of Rice Cropping includes the method for above-mentioned three flower mixed seeding green manure returning to the field, and by the green manure mixed seeding mode of more science, this method produces the yield higher of rice, and quality is more preferable, is very suitable for promoting and applying.
Description
Technical field
The present invention relates to field of plant growing technology, in particular to a kind of three flower mixed seeding green manure returning to the field method with
And the method for Rice Cropping.
Background technology
Southern double rice cropping system generally existing Winter paddy field area is big, pattern of farming is single, the excessive, light low with utilization ratio of chemical fertilizer
Thermal resource potentiality play the realistic problems such as deficiency.The waste of light, heat, water, warm resource is not only caused, also results in soil hardening, acid
A series of problems, such as change, disease pest resist the rising of (resistance to) pharmacological property, environmental pollution and the ecological balance to destroy, serious threat agricultural products in China
Quality and Agriculture Ecological Environment Security.Therefore, while rice high yield is obtained, how protect the fields environment, maintains sustainable
Development is a urgent problem needed to be solved.Structure one kind can maintain cereal crops high yield and keep farmland ecological environment can
Lasting cropping pattern may be one of effective way solved the problems, such as.
The rice field triple-cropping system of double-ridged horn winter kind green manure is a kind of traditional cropping pattern in south.The cultivation and application of green manure
Has long history in China, China is in the world earliest using one of country of green manure.Chinese milk vetch (Astragalus
Sinicus it is) Jiangxi Province or even the important leguminous green manure of south China rice region, is sources of nitrogen important in agricultural production, tool
There is nitrogen in fixed air, be a kind of organic fertilizer more containing nitrogen, but seed resource shortage, price height are to restrict it
One of main problem of development, and Chinese milk vetch C/N is relatively low, is unfavorable for the accumulation of soil nitrogen and organic matter.Rape (Brassica
Campestris L.) it is the traditional Cruciferae green manure in China, since root system can secrete more root acid, fixed nitrogen can be stimulated
Bacterium fixed nitrogen, it is strong for the absorbability of insoluble phosphorus in soil, it is a kind of organic fertilizer more containing phosphorus element, there is accommodation
Extensively, seed is easy to get, is at low cost, fertilizer efficiency is high, conducive to organic matter accumulation the advantages that.Historical experience and research shows that, mixed seeding is a variety of
Class development green manure, appropriate solution seed is insufficient, improves green manure area and yield, the important measures for improving green manure quality and effect.
Different green manure type mixed seeding can make full use of the space parallax on the time difference and growth in respectively fertility, accomplish have complementary advantages, profit
With the different growth characteristics of green manure crop, upright shape promotes each other with shape of crawling, and improves the utilization to luminous energy and soil, makes plane
Production becomes three-dimensional production；Not only can play to the maximum extent green manure production overall efficiency, but also can culture fertility, save chemical fertilizer into
This, lays the foundation to capture higher yield of crops.
Invention content
The purpose of the present invention is to provide the methods of a kind of three flower mixed seeding green manure returning to the field, use the side of three kinds of green manure mixed seeding
Formula improves green manure yield, preferably enhances soil fertility, balances the nutrition needed for rice, achievees the purpose that enable increasing production of rice.
Another object of the present invention is to provide a kind of method of Rice Cropping, including above-mentioned three flower mixed seeding green manure returning to the field
Method, the rice yield of production is high, and quality is good, is suitble to promote and apply.
What the embodiment of the present invention was realized in：
A kind of method of three flowers mixed seeding green manure returning to the field, including：
The seed of 15~23 days sowing Chinese milk vetch before late rice harvests；The kind of 7~15 days sowing rapes after late rice harvests
The seed of son and Radish；It largely blooms in Chinese milk vetch, when rape and Radish largely show angle, three kinds of green manure is carried out at the same time
It turns over, early rice plantation can be carried out after 10~15 days.
A kind of method of Rice Cropping, including：
Three kinds of green manure are planted in the method for above-mentioned three flower mixed seeding green manure returning to the field；
After three kinds of green manure turn over, rice cultivation.
The advantageous effect of the embodiment of the present invention is：
An embodiment of the present invention provides the methods of a kind of three flower mixed seeding green manure returning to the field, use Chinese milk vetch, rape, infertile field trailing plants
Foretell three kinds of green manure and carry out mixed seeding, space resources is more efficiently utilized, improves the per unit area yield of green manure, also balance green manure nitrogen,
The ratio of the nutrients such as phosphorus, potassium is conducive to the high yield and bumper harvest of rear season rice.
The embodiment of the present invention additionally provides a kind of method of Rice Cropping, includes the side of above-mentioned three flower mixed seeding green manure returning to the field
Method, by the green manure mixed seeding mode of more science, this method produces the yield higher of rice, and quality is more preferable, is very suitable for promoting
Using.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
A kind of method of three flowers mixed seeding green manure returning to the field of the embodiment of the present invention and the method for Rice Cropping are carried out below
It illustrates.
An embodiment of the present invention provides a kind of three flower mixed seeding green manure returning to the field method, including：
S1. 15~23 days seeds for sowing Chinese milk vetch before late rice harvests；Sow rape within 7~15 days after late rice harvests
The seed of seed and Radish.
Wherein, Chinese milk vetch is Jiangxi Province or even the important leguminous green manure of south China rice region, is important in agricultural production
Sources of nitrogen has the function of nitrogen in fixed air, is a kind of organic fertilizer more containing nitrogen, but seed resource is short, valency
Lattice height is one of main problem for restricting its development.And Chinese milk vetch C/N is relatively low, and phosphorus potassium content is relatively low, individually turns over Chinese milk vetch
There are the unbalanced problems of nutrient type, are unfavorable for the accumulation of soil nitrogen and organic matter.
Rape is the traditional Cruciferae green manure in China, since root system can secrete more root acid, can stimulate nitrogen-fixing bacteria
Fixed nitrogen, it is strong for the absorbability of insoluble phosphorus in soil, it is a kind of organic fertilizer more containing phosphorus element, there is accommodation
Extensively, seed is easy to get, is at low cost, fertilizer efficiency is high, conducive to organic matter accumulation the advantages that.
Radish is a kind of biennial dish of Cruciferae of south China, fertilizer, raises dual-purpose green manure, is had in China long
Cultivation history.Though Radish is without nitrogen fixing capacity, also below Chinese milk vetch, Radish green forage yield on nitrogen, potassium content
Height, and with phosphorus and potassium capability in stronger activating soil.Have that breeding time is short, acidproof, barren-resistant, winter hair property is strong, suitable simultaneously
The features such as phase sowing time length and resistance to late sowing, is suitable for mountain row field, fields on hill tops which depend on rains for water and the Upland Red Soil of water scarcity.
Different green manure type mixed seeding can make full use of the space parallax on the time difference and growth in respectively fertility, accomplish excellent
Gesture is complementary, and using the different growth characteristics of green manure crop, upright shape promotes each other with shape of crawling, and improves the profit to luminous energy and soil
With, make plane production become three-dimensional production；Not only green manure production overall efficiency, but also energy culture fertility, section can have been played to the maximum extent
Fertilizer cost is saved, is laid the foundation to capture higher yield of crops.Due to the green manure Root Distribution such as pulse family and Cruciferae range not
Together, root exudates, rhizosphere microflora, to aspects such as soil nutrient and moisture requirement, growth characteristics and resistance
Difference, thus reasonably combined mixed seeding can make full use of space, soil and luminous energy, chesson, increase the soil organism, make soil
Nutrient can be used appropriately, and can effectively inhibit weed growth sprawling, and individual growth is coordinated, and realizes green manure high yield.
The mixed seeding of Chinese milk vetch, rape, Radish can make full phosphorus increase by 32% than unicast Chinese milk vetch, and full potassium increases by 49%.It is mixed
Broadcast green manure turn over macerate after plant early rice, the seedlings of cereal crops turn green morning early period, and tiller is fast, and later stage not early ageing is discolored.Green manure mixed seeding not only improves
The per unit area yield of green manure also balances the ratio of the nutrients such as the nitrogen, phosphorus, potassium of green manure, is conducive to the high yield and bumper harvest of rear season crop.
In addition, Chinese milk vetch nitrogen content is higher, cauline leaf is fresh and tender, turns over and macerates rear perishable, and nutrient easily discharges, and can meet paddy growth early period to battalion
Foster element is especially to the needs of nitrogen.And the phosphorous potassium of rape, Radish and fibrination, it rots to decompose slowly, be conducive in rice
Later stage is to nutrient especially to the needs of phosphorus, potassium.
In embodiments of the present invention, it on the sowing opportunity of Chinese milk vetch, is separated with rape and Radish, to ensure three kinds of green manure
Yield highest, nutrient most abundant period can be reached when turning over.Seed shines 2~3d before planting, to improve seed
Viability.In addition, the opportunity of sowing rape and Radish should not be too early, because of the resistance to shady poor moisture resistance of rape, radish, rice bottom phase
It is long, high seedling can be formed, takes root bad, is easily trampled to death when cutting standing grain, some can also cause rotten kind and be short of seedling.It but also should not mistake
Late, too late sowing can cause emergence rate poor, slow-growing, it is difficult to obtain high yield, be advisable within 3~5 days before usually being harvested with late rice
Further, the application rate of Chinese milk vetch accounts for the 60%~70% of three kinds of total application rates of green manure.Inventor passes through itself
Creative work is found, three kinds of green manure is sowed according to aforementioned proportion, the C/N of green manure, closest edaphon is to C, N
Demand percentage, conducive to the yield of rice is improved.Preferably, the seed dosage of Chinese milk vetch is 1.0~1.5kg/ mus, the seed of rape
Dosage is 0.1~0.15kg/ mus, and the seed dosage of Radish is 0.4~0.5kg/ mus.
When the seed to Chinese milk vetch, rape and Radish is sowed, dressed seed with phosphate fertilizer.Preferably, phosphate fertilizer
Dosage is 1~5kg/ mus, and every kilogram of phosphate fertilizer can increase production green manure 40~45kg of fresh grass, increase the fertility of green manure.Wherein, phosphate fertilizer includes
At least one of calcium and magnesium phosphorus and calcium superphosphate.It is such as dressed seed with calcium and magnesium phosphorus, is advisable per acre with 3~5kg；Such as mixed with calcium superphosphate
Kind, it is advisable per acre with 1~2kg.Specific seed dressing mode includes：The seed of green manure is mixed into mud, then admixed with phosphorite fertilizer, such mud
Soil both sticked together fertilizer and seed, in order to avoid seed manure is broken up the family during sowing, and can avoid the free acid contained by calcium superphosphate to kind
The corrosion of son.
Further, additional to apply plant ash when the average seedling of three kinds of green manure grows 3~6cm, the dosage of plant ash is
300~500kg/ mus.Plant ash can supplement potassium needed for green manure growth course and a small amount of trace element, and with adjustment
The effect of soil aciditiy, so as to increase green manure yield.
5~15 days before Winter Solstice, winter top dressing was discharged, winter top dressing is crossed and includes at least one of liquid dung fertilizer and decomposed cattle pen excrement,
The dosage for crossing winter top dressing is 700~1000kg/ mus.Further, according to liquid dung fertilizer, then its dosage is 800~1000kg/ mus,
According to decomposed cattle pen excrement, dosage is 750~850kg/ mus.It crosses winter top dressing and required nutrition of passing the winter is provided for green manure, make green manure
Robust growth, cold hardiness are stronger.
In addition, after late rice is gathered in, a bar ditch are opened every 10~15m ploughs in field, zanjon, Gou Gouxiang are opened along field surrounding
It is logical, ensure to stop ditch by rain that do field dry, grown conducive to green manure.Should be to pour water such as drouth not rain after emergence, with filling with row, no
It can stop long.After late rice harvesting, straw is prescinded or pigs and cattle column excrement grass is spread on Tanaka, ground temperature can be improved, mitigate freeze injury.
Stalk moth fly easily occurs for the Chinese milk vetch of some areas, causes harm from growing point Zhu Ru stems, makes the moisture of plant, nutrient not
Can it is unimpeded, a large amount of dead seedlings is caused to be short of seedling, but this worm is generally not easy to be felt by human hair, this be in the past green manure yield it is not high the reason of it
One.It to the middle and later periods, is done early as weather gets warm again after a cold spell, aphid can also occur from powder disease and Liriomyza, it is necessary to which early anti-morning is controlled, and is generally available
1:2000 times of Rogor add a small amount of metrifonate is simultaneous to control above-mentioned various pests.It is fine that powdery mildew effect is prevented with 1200 times of colloid sulphur.Stalk
When eating into fly generation, if weather is done morning, field soil moisture content is insufficient, and can pour water leaching 3~4h of worm (dipped growing point), this can both save pesticide
It can reach anthelminthic effect again.
A kind of method of three flowers mixed seeding green manure returning to the field that the embodiment of the present invention is provided, further includes：
S2. it largely blooms in Chinese milk vetch, when rape and Radish largely show angle, three kinds of green manure is carried out at the same time and are turned over, 10
Early rice plantation can be carried out after~15 days.
It turns over the time early, green manure low output can be caused, and turn over the time late, green manure is of poor quality.Generally with Chinese milk vetch
Largely bloom, when rape and Radish largely show angle to turn over the phase.Green manure green forage yield highest, nutrient content are richer at this time
It is rich.It needs that green manure is pressed onto field soil bottom as possible when green manure turns over, ensures needs of the early rice later stage to nutrient.For in fresh grass per mu yield
Ten thousand jin of green manure field when turning over, can first cut off a part, and base manure or retting as early rice give over to late rice use.One season green manure two
Use is made, this is also the feasible way for solving late rice organic fertilizer.
The embodiment of the present invention additionally provides a kind of method of Rice Cropping, including：
Three kinds of green manure are planted in the method for above-mentioned three flower mixed seeding green manure returning to the field；After three kinds of green manure turn over, rice cultivation.
The plantation opportunity of rice is advisable with macerating 8~15 days after turning over, and the fertilizer efficiency of green manure is given full play at this time, is conducive to
The fast-growth of rice.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of method of three flowers mixed seeding green manure returning to the field is present embodiments provided, including：
S1. the seed of Chinese milk vetch is shone 2 days, is dressed seed with calcium and magnesium phosphorus, sowed within 15 days before late rice harvests, application rate is
1kg/ mus.
S2. the seed of rape and Radish is shone 3 days, is dressed seed with calcium superphosphate, sowed within 7 days after late rice harvests,
Application rate be 0.1kg/ mus of rape, 0.4kg/ mus of Radish.
S3. after late rice is gathered in, a bar ditch is opened every 10m ploughs in field, zanjon is opened along field surrounding, ditch ditch communicates, and protects
Card rain stops ditch, and to do field dry, is grown conducive to green manure.
S4. additional to apply plant ash in a length of 3~6cm of the average seedling of three kinds of green manure, dosage is 300kg/ mus.
S5. additional to discharge liquid dung fertilizer 15 days before Winter Solstice, dosage is 800kg/ mus.
S6. it largely blooms in Chinese milk vetch, when rape and Radish largely show angle, three kinds of green manure is carried out at the same time and are turned over.
S7. 10 days after turning over, early rice plantation is carried out.
Embodiment 2
A kind of method of three flowers mixed seeding green manure returning to the field is present embodiments provided, including：
S1. the seed of Chinese milk vetch is shone 3 days, is dressed seed with calcium and magnesium phosphorus, sowed within 23 days before late rice harvests, application rate is
1.5kg/ mu.
S2. the seed of rape and Radish is shone 3 days, is dressed seed with calcium superphosphate, broadcast within 15 days after late rice harvests
Kind, application rate be 0.15kg/ mus of rape, 0.5kg/ mus of Radish.
S3. after late rice is gathered in, a bar ditch is opened every 15m ploughs in field, zanjon is opened along field surrounding, ditch ditch communicates, and protects
Card rain stops ditch, and to do field dry, is grown conducive to green manure.
S4. additional to apply plant ash in a length of 3~6cm of the average seedling of three kinds of green manure, dosage is 500kg/ mus.
S5. additional to discharge decomposed cattle pen excrement 10 days before Winter Solstice, dosage is 750kg/ mus.
S6. it largely blooms in Chinese milk vetch, when rape and Radish largely show angle, three kinds of green manure is carried out at the same time and are turned over.
S7. 15 days after turning over, early rice plantation is carried out.
Embodiment 3
A kind of method of three flowers mixed seeding green manure returning to the field is present embodiments provided, including：
S1. the seed of Chinese milk vetch is shone 2 days, is dressed seed with calcium and magnesium phosphorus, sowed within 15 days before late rice harvests, application rate is
1kg/ mus.
S2. the seed of rape and Radish is shone 3 days, is dressed seed with calcium superphosphate, broadcast within 10 days after late rice harvests
Kind, application rate be 0.15kg/ mus of rape, 0.45kg/ mus of Radish.
S3. after late rice is gathered in, a bar ditch is opened every 12m ploughs in field, zanjon is opened along field surrounding, ditch ditch communicates, and protects
Card rain stops ditch, and to do field dry, is grown conducive to green manure.
S4. additional to apply plant ash in a length of 3~6cm of the average seedling of three kinds of green manure, dosage is 400kg/ mus.
S5. additional to discharge liquid dung fertilizer 5 days before Winter Solstice, dosage is 1000kg/ mus.
S6. it largely blooms in Chinese milk vetch, when rape and Radish largely show angle, three kinds of green manure is carried out at the same time and are turned over.
S7. 10 days after turning over, early rice plantation is carried out.
Test example
It chooses a piece of experimental plot in Jiangxi somewhere and carries out planting experiment, soil types is red soil, experimental field belongs to subtropical zone moistening
Monsoon climate, 17~17.7 DEG C, 1600~1700mm of annual rainfall of average temperature of the whole year, precipitation Day are 147~157d, and annual is sudden and violent
Rain day 5.6d, annual relative humidity are 78.5%, 1723~1820h of sunshine-duration in year, percentage of possible sunshine 40%, annual mean wind speed
2.3m/s, 251~272d of frost-free period in year.Each cell soil fertility uniformity, soil fertility are as shown in table 1 before experiment.
Table 1 tests preceding soil fertility
According to test requirements document and test objective, this experiment sets 3 cropping patterns, 4 repetitions altogether, and random district's groups arrange, altogether
12 cells are separated with cement stalk between each cell, and plot area is 11 × 3=33m2.3 cropping pattern point ratios are to locate
Manage A：Chinese milk vetch-early rice-late rice (MV-RE-RL)；Handle B：Rape-early rice-late rice (RP-RE-RL)；Handle C：Three flower mixed seeding-
Early rice-late rice (MS-RE-RL).Wherein, it handles Chinese milk vetch in A to sow in early October, handles rape in B and broadcast mid-November
Kind, processing C is sowed in the way of embodiment 1, remaining is irrigated, applies fertilizer, deinsectization condition is identical.
A. after early rice harvest, number of productive ear, number of grain per ear under record Different treatments, setting percentage, mass of 1000 kernel, yield
Etc. data, the results are shown in Table 2.
2. early rice Yield and yield components of table
As can be seen from Table 2, after spending the method for mixed seeding green manure returning to the field using three that the embodiment of the present invention is provided, compared to
Individually as green manure, the data such as number of productive ear, number of grain per ear, setting percentage, mass of 1000 kernel, yield have for sowing Chinese milk vetch or rape
It is obviously improved.Especially yield, up to 7237.24 ± 240.87kghm-2, volume increase 10%~20%.
B. after early rice and late rice harvest, the soil sample of each test area is taken, tests its micro organism quantity, is tested
The results are shown in Table 3.
Influence of 3 different land use patterns of table to micro organism quantity
As can be seen from Table 3, after early rice harvest, in the method that is provided using the embodiment of the present invention 1 treated soil
Bacterium, fungi, actinomyces and nitrogen-fixing bacteria quantity reach maximum, respectively beyond other processing modes 18.1%~33.6%,
18.7%~38.3%, 4.6%~10.7% and 1.1%~14.5%.And after late rice harvest, using the embodiment of the present invention 1
Bacterium in soil after the method processing provided, fungi, actinomyces and nitrogen-fixing bacteria quantity then differ unobvious with processing A.
In conclusion an embodiment of the present invention provides the method for a kind of three flower mixed seeding green manure returning to the field, Chinese milk vetch, oil are used
Three kinds of dish, Radish green manure carry out mixed seeding, and space resources is more efficiently utilized, improves the per unit area yield of green manure, also balances
The ratio of the nutrients such as nitrogen, phosphorus, the potassium of green manure is conducive to the high yield and bumper harvest of rear season rice.
The embodiment of the present invention additionally provides a kind of method of Rice Cropping, includes the side of above-mentioned three flower mixed seeding green manure returning to the field
Method, by the green manure mixed seeding mode of more science, this method produces the yield higher of rice, and quality is more preferable, is very suitable for promoting
Using.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
- A kind of 1. method of three flowers mixed seeding green manure returning to the field, which is characterized in that including：The seed of 15~23 days sowing Chinese milk vetch before late rice harvests；Late rice harvest after 7~15 days sowing rape seeds and The seed of Radish；It largely blooms in the Chinese milk vetch, when the rape and the Radish largely show angle, by three kinds of green manure It is carried out at the same time and turns over, early rice plantation can be carried out after 10~15 days.
- 2. the method for three flowers mixed seeding green manure returning to the field according to claim 1, which is characterized in that the application rate of the Chinese milk vetch Account for the 60%~70% of the total application rate of three kinds of green manure.
- 3. the method for three flowers mixed seeding green manure returning to the field according to claim 2, which is characterized in that the seed of the Chinese milk vetch is used It is 1.0~1.5kg/ mus to measure, and the seed dosage of the rape is 0.1~0.15kg/ mus, and the seed dosage of the Radish is 0.4~0.5kg/ mus.
- 4. the method for three flowers mixed seeding green manure returning to the field according to claim 1, which is characterized in that the Chinese milk vetch, institute When stating the seed of rape and the Radish and being sowed, dressed seed with phosphate fertilizer, the phosphate fertilizer includes calcium and magnesium phosphorus and peroxophosphoric acid At least one of calcium.
- 5. the method for three flowers mixed seeding green manure returning to the field according to claim 4, which is characterized in that the dosage of the phosphate fertilizer is 1 ~5kg/ mus.
- 6. the method for three flowers mixed seeding green manure returning to the field according to claim 1, which is characterized in that in the flat of three kinds of green manure It is additional to apply plant ash when equal seedling grows 3~6cm.
- 7. the methods of three flowers mixed seeding green manure returning to the field according to claim 6, which is characterized in that the dosage of the plant ash is 300~500kg/ mus.
- 8. the method for three flowers mixed seeding green manure returning to the field according to claim 1, which is characterized in that 5~15 days before Winter Solstice, apply Winter top dressing is let off, the winter top dressing of crossing includes at least one of liquid dung fertilizer and decomposed cattle pen excrement.
- 9. it is according to claim 8 three flower mixed seeding green manure returning to the field methods, which is characterized in that it is described cross winter top dressing dosage be 700~1000kg/ mus.
- A kind of 10. method of Rice Cropping, which is characterized in that including：Three kinds of green manure is planted in the method that claim 1~9 any one of them three spends mixed seeding green manure returning to the field；After three kinds of green manure turns over, rice cultivation.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110915582A (en) * | 2019-12-11 | 2020-03-27 | 辽宁省农业科学院 | Method for reducing nitrogen and phosphorus loss in northeast single-cropping rice region |
| CN110934049A (en) * | 2019-11-29 | 2020-03-31 | 汉中市农业科学研究所（陕西省水稻研究所） | Rice field fertilizer decrement and efficiency improvement method |
| CN111295964A (en) * | 2020-03-12 | 2020-06-19 | 山东省寿光蔬菜产业集团有限公司 | Method for returning solanaceous vegetable straws to field in situ |
| CN111789006A (en) * | 2020-08-04 | 2020-10-20 | 安徽信福乡田生态农业有限公司 | Organic rice planting method with green manure returned to field |
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| CN111789006A (en) * | 2020-08-04 | 2020-10-20 | 安徽信福乡田生态农业有限公司 | Organic rice planting method with green manure returned to field |
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