CN110089369A - A kind of Wheat Maize Rotation straw-returning balanced fertilizing method - Google Patents

A kind of Wheat Maize Rotation straw-returning balanced fertilizing method Download PDF

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CN110089369A
CN110089369A CN201910375156.0A CN201910375156A CN110089369A CN 110089369 A CN110089369 A CN 110089369A CN 201910375156 A CN201910375156 A CN 201910375156A CN 110089369 A CN110089369 A CN 110089369A
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fertilizer
wheat
soil
returning
straw
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CN110089369B (en
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郑福丽
谭德水
刘萍
张柏松
马征
王学君
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Institute of Agricultural Resources and Environment of Shandong Academy of Agricultural Sciences
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Institute of Agricultural Resources and Environment of Shandong Academy of Agricultural Sciences
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C21/00Methods of fertilising, sowing or planting
    • A01C21/005Following a specific plan, e.g. pattern
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C21/00Methods of fertilising, sowing or planting
    • A01C21/007Determining fertilization requirements
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • A01G22/20Cereals

Abstract

The present invention relates to a kind of Wheat Maize Rotation straw-returning balanced fertilizing methods, belong to agricultural planting technical field of fertilizer application.Winter wheat-summer maize system stalk whole returning to the field in the crop rotation phase in anniversary, straw decomposition part can improve Cultivated-land Fertility, and non-decomposition part can improve arable land retention ability, keep rich water ratio.Soil testing and fertilizer recommendation sows wheat, and nutrient formula is reasonable, reduces unnecessary extra fertilising waste, while effectively increasing soil fertility, ensures the yield of wheat.The jointing stage imposes urea after wheat is turned green, and balances the SOIL CARBON AND NITROGEN ratio of stalk and organic fertilizer.Soil testing and fertilizer recommendation seeding corn applies solid-state corn composite fertilizer material, ensures the yield of corn.Straw-returning applying organic manure material again, can substantially improve soil physics structure, improve the reproducibility of soil.It realizes total fertilization amount regulation, plan strategies for by stages, and effectively combined with cultivation tillage control measure, and ensure that the liquid manure balance of soil-crop system, organic fertilizer-inorganic fertilizer balance and soil sustainable utilization.

Description

A kind of Wheat Maize Rotation straw-returning balanced fertilizing method
Technical field
The present invention relates to a kind of Wheat Maize Rotation straw-returning balanced fertilizing methods, and in particular to a kind of middle-and-low-yielding fields Or the liquid manure balance under the conditions of the full returning to the field of Hills winter wheat-summer maize system stalk, organic fertilizer-inorganic fertilizer balance anniversary fertilising Method belongs to agricultural planting technical field of fertilizer application.
Background technique
Grain security is the significant problem of national development, and the economic development of any one country, social stability are built upon On Food Security.In China, Food Security is both an economic problems and a social concern, ensures grain peace It is basis and the guarantee for realizing national security entirely.With the development of national economy and the raising of the level of urbanization, grain is needed per capita It asks and is continuously increased.For Ensuring Food Safety, needs to improve soil fertility by scientific agriculture and water and fertilizer management, improve crop Per unit area yield and quality of agricultural product.
Wheat and corn are the important cereal crops in China, are play an important role in China's agricultural and national economy.I State is the largest Wheat Production state and country of consumption, and yield, consumption figure account for about 25% of National Grain or so, commodity wheat Transaction and quantity in stock account for about the 35% of National Grain.Corn is the highest cereal crop of yield, has grain, feed Equal multiple uses, play a significant role in China's grain-production, and China be also second-biggest-in-the-world maize production state and Country of consumption.Corn is as the second largest cereal crops in China and the chief crop of China's Ensuring Food Safety.
With the raising of crop yield, stalk sustained production increases.Stalk resource is rationally utilized, soil fertilizer had both been related to Power, water and soil conservation, Environmental security and renewable resource efficiently etc., further relate to the clean environment of peasant's production and living system, It is the inevitable requirement that China's agricultural and Rural Social Economy realize benign development.Under the premise of guaranteeing agricultural sustainable development, Reasonable balance fertilizing improves farmland quality, has great importance to national food security is guaranteed.
The cropping pattern of Wheat and maize rotation, middle-and-low-yielding fields or Hills are mainly taken in the wheat and corn plantation in China Since mechanical returning to the field rate is low, one side crop harvester and straw counters-field set are not popularized or are not matched and cause a large amount of stalk cutting It afterwards by on-site incineration, not only has seriously polluted the environment, also causes a large amount of stalk resource waste;On the other hand, in agricultural production, With the raising of wheat yield, chemical fertilizer, pesticide investment increase year by year, cause organic fertilizer scarcity, farmland quality decline, resist disaster Reduced capability.Therefore, there is an urgent need to increase soil organic matter investment, mechanized cultivation level is improved, " crop-yield-product is coordinated Matter-environment " contradiction realizes the high yield of Wheat Production, high-quality, efficient, low consumption.
At present middle-and-low-yielding fields or Hills in Wheat and maize rotation Cultivate administration technical aspect the problem is that: it is right Obstruction factor existing for soil is smudgy, and straw-returning fertilizing is had no way of doing it in terms of promoting soil fertility, can only follow Experiences, It is unable to scientific management rich water.Therefore, corresponding middle-and-low-yielding fields or Hills straw-returning liquid manure balance+organic fertilizer are developed The winter wheat-summer maize system anniversary fertilizing method of inorganic fertilizer balance solves the soil issues for restricting middle-and-low-yielding fields or Hills, The productive potentialities of wheat, corn are promoted, serving agriculture production is increased farmers' income particularly important.
Summary of the invention
For overcome the deficiencies in the prior art, middle-and-low-yielding fields or Hills winter wheat-summer maize system straw have been invented herein Liquid manure balance under the conditions of the full returning to the field of stalk, organic fertilizer-inorganic fertilizer balance anniversary fertilizing method, including straw-returning after harvest corn Straw returning and fertilizing, soil testing and fertilizer recommendation sowing after organic fertilizer, soil testing and fertilizer recommendation sowing wheat, balanced soil carbon-nitrogen ratio, harvesting wheat Corn.
The specific technical solution of the present invention is as follows:
A kind of Wheat Maize Rotation straw-returning balanced fertilizing method, comprising the following steps:
(1) after harvest corn, corn stover is taken advantage of into blueness with straw counters-field set and is ground into broken section of tiling returning to the field of 1 ~ 10cm, after returning to the field Corn stover it is broken it is short it is not in heaps, do not reveal soil;Decomposing agent and urea are mixed wet soil to be uniformly sprinkling upon in corn stover, then apply quotient per acre Product organic fertilizer 200kg, returning to the field of deep ploughing.
(2) 25 ~ 30 centimetres are ploughed deeply by rotary cultivator, keeps straw decomposing organic fertilizer more uniform.Rear ground grading is ploughed deeply, is broadcast Planting with sowing machine wheat measures arable soil nitrogen, phosphorus and potassium fertilizer content, applies the compound fertilizer of 15-15-15, be supplemented to nutrient ratio N ︰ per acre P2O5︰ K20.5~0.7 ︰ 0.2~0.5 of the ︰ of O=1, the nutrient ratio are weight ratio, and soil moisture content is controlled 15 ~ 25%.
(3) jointing stage imposes urea after wheat is turned green, and balances the carbon amounts and urea nitrogen content of stalk and organic fertilizer, makes soil Carbon-nitrogen ratio maintains 15~25 ︰, 1 range.
(4) after harvesting wheat, wheat stalk is taken advantage of into blueness with straw counters-field set and is ground into broken section of tiling returning to the field of 1 ~ 5cm, returning to the field Wheat stalk afterwards it is broken it is short it is not in heaps, do not reveal soil;Decomposing agent and solid-state corn composite fertilizer material are mixed wet soil and be uniformly sprinkling upon Wheat Straw On stalk, returning to the field of deep ploughing.The solid-state corn composite fertilizer material is by urea, plant ash, organic matter humic acid, potassium sulfate, five oxidations Two p and s acid zinc composition.
(5) seeding corn measures arable soil nitrogen, phosphorus and potassium fertilizer content, applies 26-6-8 compound fertilizer, supplement nutrient to N 13kg/ Mu, P2O5 3kg/ mus and K24kg/ mus of O, entire corn phase no longer top dressing.
Preferably, decomposing agent and urea additive amount as described in step (1) are as follows: 1 ~ 2kg/ mus of decomposing agent, urea 10 ~ 15kg/ mus.
Preferably, organic commercial fertilizer as described in step (1) is to meet NY 525-2012 organic fertilizer standard requirements Any organic commercial fertilizer.
Preferably, the fertilization mode of organic commercial fertilizer as described in step (1) is to spread fertilizer over the fields.
Preferably, wheat cultivation amount described in step (2) is 10kg ~ 15kg/ mus.
Preferably, the control of soil moisture content described in step (2) is 15 ~ 25%, when depth of soil 0 ~ 20cm water content control System is 15 ~ 20%, when depth of soil 20 ~ 40cm water content is controlled 20 ~ 25%.
Preferably, solid-state corn composite fertilizer material described in step (4) is mixed to prepare by the raw material of following portions by weight: urine Plain 30 ~ 45 parts, 10 ~ 20 parts of plant ash, 10 ~ 20 parts of organic matter humic acid, 10 ~ 15 parts of potassium sulfate, 8 ~ 12 parts of phosphorus pentoxide, sulphur 3 ~ 8 parts of sour zinc.
Preferably, the dose that 26-6-8 compound fertilizer is applied described in step (5) is 50kg/ mus.
The present invention has the beneficial effects that
1, Wheat Maize Rotation straw-returning balanced fertilizing method of the invention, the winter wheat-summer maize system straw in the crop rotation phase in anniversary Stalk whole returning to the field, stalk can improve Cultivated-land Fertility in decomposition part under decomposing agent effect, and non-decomposition part can improve arable land water holding Power keeps rich water ratio.
2, Wheat Maize Rotation straw-returning balanced fertilizing method of the invention, soil testing and fertilizer recommendation sow wheat, per acre nutrient Than according to N ︰ P2O5︰ K20.5~0.7 ︰ 0.2~0.5 of the ︰ of O=1, proportion rationally, reduce unnecessary extra fertilising waste, simultaneously Soil fertility is effectively increased, ensures the yield of wheat.
3, Wheat Maize Rotation straw-returning balanced fertilizing method of the invention, the jointing stage imposes urea after wheat is turned green, Balance the carbon amounts and urea nitrogen content of stalk and organic fertilizer, the range for keeping SOIL CARBON AND NITROGEN more suitable than maintaining one.
4, Wheat Maize Rotation straw-returning balanced fertilizing method of the invention, soil testing and fertilizer recommendation seeding corn are applied by urinating The solid-state corn composite fertilizer material that element, plant ash, organic matter humic acid, potassium sulfate, phosphorus pentoxide and zinc sulfate form, reduces Unnecessary extra fertilising waste, while soil fertility is effectively increased, ensure the yield of corn.
5, Wheat Maize Rotation straw-returning balanced fertilizing method of the invention, straw-returning applying organic manure material again, can To substantially improve soil physics structure, the reproducibility of soil is improved.It realizes total fertilization amount regulation, plan strategies for by stages, and with Cultivation tillage control measure effectively combines, and ensure that the liquid manure balance of soil-crop system, organic fertilizer-inorganic fertilizer balance and soil Sustainable use.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described, and specific embodiment does not limit the present invention.
Embodiment 1
A kind of Wheat Maize Rotation straw-returning balanced fertilizing method, comprising the following steps:
(1) after harvest corn, corn stover is taken advantage of into blueness with straw counters-field set and is ground into broken section of tiling returning to the field of 1 ~ 10cm, after returning to the field Corn stover it is broken it is short it is not in heaps, do not reveal soil;Decomposing agent and urea are mixed wet soil to be uniformly sprinkling upon in corn stover, decomposing agent and urea Additive amount are as follows: 1kg/ mus of decomposing agent, 10kg/ mus of urea.Then organic commercial fertilizer 200kg is spread fertilizer over the fields per acre, returning to the field of deep ploughing.Described Organic commercial fertilizer is the organic commercial fertilizer for meeting NY 525-2012 organic fertilizer standard requirements.
(2) 25 ~ 30 centimetres are ploughed deeply by rotary cultivator, keeps straw decomposing organic fertilizer more uniform.Rear ground grading is ploughed deeply, is broadcast Planting with sowing machine wheat, wheat cultivation amount are 10kg/ mus.Arable soil nitrogen, phosphorus and potassium fertilizer content is measured, the compound fertilizer of 15-15-15 is applied, It is supplemented to nutrient ratio N ︰ P per acre2O5︰ K20.5 ︰ 0.2 of the ︰ of O=1, the nutrient ratio are weight ratio, soil moisture content control 15 ~ 25%, when the control of depth of soil 0 ~ 20cm water content is 15%, when depth of soil 20 ~ 40cm water content is controlled 20%.
(3) jointing stage imposes urea after wheat is turned green, and balances the carbon amounts and urea nitrogen content of stalk and organic fertilizer, makes soil Carbon-nitrogen ratio maintains 15 ︰, 1 range.
(4) after harvesting wheat, wheat stalk is taken advantage of into blueness with straw counters-field set and is ground into broken section of tiling returning to the field of 1 ~ 5cm, returning to the field Wheat stalk afterwards it is broken it is short it is not in heaps, do not reveal soil;Decomposing agent and solid-state corn composite fertilizer material are mixed wet soil and be uniformly sprinkling upon Wheat Straw On stalk, returning to the field of deep ploughing.The solid-state corn composite fertilizer material is by 30 parts of urea, 10 parts of plant ash, organic matter humic acid 10 Part, 10 parts of potassium sulfate, 8 parts of phosphorus pentoxide, 3 parts of zinc sulfate compositions.
(5) seeding corn measures arable soil nitrogen, phosphorus and potassium fertilizer content, applies 26-6-8 compound fertilizer, and dose is 50kg/ mus, Nutrient is supplemented to 13kg/ mus of N, P2O5 3kg/ mus and K24kg/ mus of O, entire corn phase no longer top dressing.
Embodiment 2
A kind of Wheat Maize Rotation straw-returning balanced fertilizing method, comprising the following steps:
(1) after harvest corn, corn stover is taken advantage of into blueness with straw counters-field set and is ground into broken section of tiling returning to the field of 1 ~ 10cm, after returning to the field Corn stover it is broken it is short it is not in heaps, do not reveal soil;Decomposing agent and urea are mixed wet soil to be uniformly sprinkling upon in corn stover, decomposing agent and urea Additive amount are as follows: 1.5kg/ mus of decomposing agent, 12.5kg/ mus of urea.Then organic commercial fertilizer 200kg is spread fertilizer over the fields per acre, returning to the field of deep ploughing.Institute The organic commercial fertilizer stated is the organic commercial fertilizer for meeting NY 525-2012 organic fertilizer standard requirements.
(2) 25 ~ 30 centimetres are ploughed deeply by rotary cultivator, keeps straw decomposing organic fertilizer more uniform.Rear ground grading is ploughed deeply, is broadcast Planting with sowing machine wheat, wheat cultivation amount are 12.5kg/ mus.Arable soil nitrogen, phosphorus and potassium fertilizer content is measured, the compound of 15-15-15 is applied Fertilizer is supplemented to nutrient ratio N ︰ P per acre2O5︰ K20.6 ︰ 0.3 of the ︰ of O=1, the nutrient ratio are weight ratio, and soil moisture content control exists 15 ~ 25%, when the control of depth of soil 0 ~ 20cm water content is 20%, when depth of soil 20 ~ 40cm water content is controlled 20%.
(3) jointing stage imposes urea after wheat is turned green, and balances the carbon amounts and urea nitrogen content of stalk and organic fertilizer, makes soil Carbon-nitrogen ratio maintains 25 ︰, 1 range.
(4) after harvesting wheat, wheat stalk is taken advantage of into blueness with straw counters-field set and is ground into broken section of tiling returning to the field of 1 ~ 5cm, returning to the field Wheat stalk afterwards it is broken it is short it is not in heaps, do not reveal soil;Decomposing agent and solid-state corn composite fertilizer material are mixed wet soil and be uniformly sprinkling upon Wheat Straw On stalk, returning to the field of deep ploughing.The solid-state corn composite fertilizer material is by 38 parts of urea, 15 parts of plant ash, 15 parts of organic matter humic acid, sulphur 12.5 parts of sour potassium, 10 parts of phosphorus pentoxide, 5 parts of zinc sulfate compositions.
(5) seeding corn measures arable soil nitrogen, phosphorus and potassium fertilizer content, applies 26-6-8 compound fertilizer, supplement nutrient to N 13kg/ Mu, P2O5 3kg/ mus and K24kg/ mus of O, entire corn phase no longer top dressing.
Embodiment 3
A kind of Wheat Maize Rotation straw-returning balanced fertilizing method, comprising the following steps:
(1) after harvest corn, corn stover is taken advantage of into blueness with straw counters-field set and is ground into broken section of tiling returning to the field of 1 ~ 10cm, after returning to the field Corn stover it is broken it is short it is not in heaps, do not reveal soil;Decomposing agent and urea are mixed wet soil to be uniformly sprinkling upon in corn stover, decomposing agent and urea Additive amount are as follows: 2kg/ mus of decomposing agent, 15kg/ mus of urea.Then organic commercial fertilizer 200kg is spread fertilizer over the fields per acre, returning to the field of deep ploughing.Described Organic commercial fertilizer is the organic commercial fertilizer for meeting NY 525-2012 organic fertilizer standard requirements.
(2) 25 ~ 30 centimetres are ploughed deeply by rotary cultivator, keeps straw decomposing organic fertilizer more uniform.Rear ground grading is ploughed deeply, is broadcast Planting with sowing machine wheat, wheat cultivation amount are 15kg/ mus.Arable soil nitrogen, phosphorus and potassium fertilizer content is measured, the compound fertilizer of 15-15-15 is applied, It is supplemented to nutrient ratio N ︰ P per acre2O5︰ K20.7 ︰ 0.5 of the ︰ of O=1, the nutrient ratio are weight ratio, soil moisture content control 15 ~ 25%, when the control of depth of soil 0 ~ 20cm water content is 20%, when depth of soil 20 ~ 40cm water content is controlled 25%.
(3) jointing stage imposes urea after wheat is turned green, and balances the carbon amounts and urea nitrogen content of stalk and organic fertilizer, makes soil Carbon-nitrogen ratio maintains 20 ︰, 1 range.
(4) after harvesting wheat, wheat stalk is taken advantage of into blueness with straw counters-field set and is ground into broken section of tiling returning to the field of 1 ~ 5cm, returning to the field Wheat stalk afterwards it is broken it is short it is not in heaps, do not reveal soil;Decomposing agent and solid-state corn composite fertilizer material are mixed wet soil and be uniformly sprinkling upon Wheat Straw On stalk, returning to the field of deep ploughing.The solid-state corn composite fertilizer material is by 45 parts of urea, 20 parts of plant ash, 20 parts of organic matter humic acid, sulphur 15 parts of sour potassium, 12 parts of phosphorus pentoxide, 8 parts of zinc sulfate compositions.
(5) seeding corn measures arable soil nitrogen, phosphorus and potassium fertilizer content, applies 26-6-8 compound fertilizer, supplement nutrient to N 13kg/ Mu, P2O5 3kg/ mus and K24kg/ mus of O, entire corn phase no longer top dressing.
Comparative example 1
The experimental plot soil texture is loamy texture moisture soil, and topsoil soils organic matter is 12.56%, 78.2 mgkg of alkali-hydrolyzable nitrogen-1, quick-acting Phosphorus 12.3mgkg-1, 88.2 mgkg of available potassium-1, pH value 8.0.Nitrogenous fertilizer is urea and Diammonium phosphate (DAP), and phosphate fertilizer is di(2-ethylhexyl)phosphate Ammonium, potash fertilizer are potassium chloride.
After maize straw, application wheat season all nitrogenous fertilizer 1/2, whole phosphate fertilizer and potash fertilizer, composite fertilizer's consumption be 5kg/ mus, rotary tillage soil sows wheat, and spring carries out nitrogenous fertilizer and imposes;Seeding corn after harvesting wheat, it is disposable in Maize at Seedling Stage Trench digging applies all potash fertilizer, and composite fertilizer's consumption is 8kg/ mus, and the later period is no longer imposed.Nitrogen phosphorus fertilizer input amount and method of application Unanimously, irrigation quantity is consistent with mode.
Comparative example 2
Experimental plot and fertilising are with comparative example 1, after maize straw, application wheat season all nitrogenous fertilizer 1/2, whole phosphate fertilizer and potassium Fertilizer, composite fertilizer's consumption are 8kg/ mus, rotary tillage soil, sow wheat, and spring carries out nitrogenous fertilizer and imposes;Seeding corn after harvesting wheat, It disposably ditches in Maize at Seedling Stage and applies all potash fertilizer, composite fertilizer's consumption is 10kg/ mus, and the later period is no longer imposed.Nitrogen phosphorus Fertile input amount and method of application are consistent, and irrigation quantity is consistent with mode.
Comparative example 3
Experimental plot and fertilising are with comparative example 1, after maize straw, application wheat season all nitrogenous fertilizer 1/2, whole phosphate fertilizer and potassium Fertilizer, composite fertilizer's consumption are 10kg/ mus, rotary tillage soil, sow wheat, and spring carries out nitrogenous fertilizer and imposes;Seeding corn after harvesting wheat, It disposably ditches in Maize at Seedling Stage and applies all potash fertilizer, composite fertilizer's consumption is 12kg/ mus, and the later period is no longer imposed.Nitrogen phosphorus Fertile input amount and method of application are consistent, and irrigation quantity is consistent with mode.
As a result it compares:
Analysis is compared to above-described embodiment 1~3 and comparative example 1~3 respectively, analysis result see the table below.Wherein fertilizer is comprehensive Utilization rate=(fertilizer treatment Maize Absorption amount of nutrients-not fertilizer treatment Maize Absorption amount of nutrients)/dose.Cost-saving synergistic is from subtracting Few fertilizers input and increase by two angles of crop yield, analysis different formulations handle the influence to cost-saving synergistic.
It is handled with set formula, N presses 3.10 yuan/kg, P2O5By 3.15 yuan/kg, K2O presses 2.50 yuan/kg, corn wheat valence Lattice are in terms of net price.
The results show that embodiment 1-3 increases income 11.1 Kg, 11.9 Kg, 6.6 relative to comparative example 1-3 wheat per mu yield respectively Kg;Corn per mu yield increases income 10.1 Kg, 10.2 Kg, 8.8 Kg.Compared to comparative example, yield is improved.Mixed economy effect It is beneficial good, compared with comparative example, evaluate 96.10 yuan of hm of cost-saving synergistic2.Prove Wheat Maize Rotation stalk of the invention also The Fluctuation of field balanced fertilizing method combination soil nutrient, under the premise of guaranteeing and improving yield, both preservations of fertility It is continuously improved, and suitably reduces dose, can be used as the important references of balance fertilizing.

Claims (8)

1. a kind of Wheat Maize Rotation straw-returning balanced fertilizing method, it is characterised in that the following steps are included:
1) after harvest corn, corn stover is taken advantage of into blueness with straw counters-field set and is ground into broken section of tiling returning to the field of 1 ~ 10cm, after returning to the field Corn stover it is broken it is short it is not in heaps, do not reveal soil;Decomposing agent and urea are mixed wet soil to be uniformly sprinkling upon in corn stover, then apply quotient per acre Product organic fertilizer 200kg, returning to the field of deep ploughing;
2) 25 ~ 30 centimetres are ploughed deeply by rotary cultivator, keeps straw decomposing organic fertilizer more uniform;Plough deeply rear ground grading, seeder Wheat is sowed, arable soil nitrogen, phosphorus and potassium fertilizer content is measured, applies the compound fertilizer of 15-15-15, be supplemented to nutrient ratio N ︰ P per acre2O5︰ K20.5~0.7 ︰ 0.2~0.5 of the ︰ of O=1, the nutrient ratio are weight ratio, and soil moisture content is controlled 15 ~ 25%;
3) jointing stage imposes urea after wheat is turned green, and balances the carbon amounts and urea nitrogen content of stalk and organic fertilizer, makes SOIL CARBON AND NITROGEN Than maintaining 15~25 ︰, 1 range;
4) after harvesting wheat, wheat stalk is taken advantage of into blueness with straw counters-field set and is ground into broken section of tiling returning to the field of 1 ~ 5cm, it is small after returning to the field Wheat Straw it is broken it is short it is not in heaps, do not reveal soil;Decomposing agent and solid-state corn composite fertilizer material are mixed wet soil and be uniformly sprinkling upon on wheat stalk, it is deep Plough returning to the field;The solid-state corn composite fertilizer material is by urea, plant ash, organic matter humic acid, potassium sulfate, phosphorus pentoxide and sulphur Sour zinc composition;
5) seeding corn measures arable soil nitrogen, phosphorus and potassium fertilizer content, applies 26-6-8 compound fertilizer, supplement nutrient to 13kg/ mus of N, P2O5 3 kg/ mus and K24kg/ mus of O, entire corn phase no longer top dressing.
2. a kind of Wheat Maize Rotation straw-returning balanced fertilizing method as described in claim 1, it is characterised in that: step 1) decomposing agent and urea additive amount described in are as follows: 1 ~ 2kg/ mus of decomposing agent, 10 ~ 15kg/ mus of urea.
3. a kind of Wheat Maize Rotation straw-returning balanced fertilizing method as described in claim 1 or 2 is any, feature exist In: organic commercial fertilizer described in step 1) is the organic commercial fertilizer for meeting NY 525-2012 organic fertilizer standard requirements.
4. a kind of Wheat Maize Rotation straw-returning balanced fertilizing method as described in claim 1 or 2 is any, feature exist In: the fertilization mode of organic commercial fertilizer described in step 1) is to spread fertilizer over the fields.
5. a kind of Wheat Maize Rotation straw-returning balanced fertilizing method as described in claim 1, it is characterised in that: step 2) the wheat cultivation amount described in is 10kg ~ 15kg/ mus.
6. a kind of Wheat Maize Rotation straw-returning balanced fertilizing method as described in claim 1, it is characterised in that: step 2) the soil moisture content control described in is 15 ~ 25%, when the control of depth of soil 0 ~ 20cm water content is 15 ~ 20%, when soil depth The control of 20 ~ 40cm water content is spent 20 ~ 25%.
7. a kind of Wheat Maize Rotation straw-returning balanced fertilizing method as described in claim 1, it is characterised in that: step 4) the solid-state corn composite fertilizer material described in is mixed to prepare by the raw material of following portions by weight: 30 ~ 45 parts of urea, plant ash 10 ~ 20 parts, 10 ~ 20 parts of organic matter humic acid, 10 ~ 15 parts of potassium sulfate, 8 ~ 12 parts of phosphorus pentoxide, 3 ~ 8 parts of zinc sulfate.
8. a kind of Wheat Maize Rotation straw-returning balanced fertilizing method as described in claim 1, it is characterised in that: step 5) dose for applying 26-6-8 compound fertilizer described in is 50kg/ mus.
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CN110476747A (en) * 2019-09-30 2019-11-22 河北农业大学 A kind of wheat deep ploughing strong sprout cultural method
CN110495293A (en) * 2019-09-26 2019-11-26 山东省农业科学院农业资源与环境研究所 A kind of fertilizing method in Huang-Huai-Hai Wheat Maize Rotation area
CN111328655A (en) * 2020-03-24 2020-06-26 山东省农业科学院农业资源与环境研究所 Wheat-spinach-corn-green manure intercropping planting and cultivating method
CN113728888A (en) * 2021-09-15 2021-12-03 兰州大学 Grain and grass composite planting method for alfalfa intercropping wheat and corn

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