CN114747446B - Corn and soybean mixed planting method - Google Patents
Corn and soybean mixed planting method Download PDFInfo
- Publication number
- CN114747446B CN114747446B CN202210338490.0A CN202210338490A CN114747446B CN 114747446 B CN114747446 B CN 114747446B CN 202210338490 A CN202210338490 A CN 202210338490A CN 114747446 B CN114747446 B CN 114747446B
- Authority
- CN
- China
- Prior art keywords
- corn
- soybean
- alfalfa
- planting
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- A01G22/40—Fabaceae, e.g. beans or peas
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a method for mixed planting of corn and soybean, and belongs to the technical field of crop planting. According to the method for mixed planting of corn and soybean, disclosed by the invention, the whole growth period only needs to be fertilized once, different fertilizer effects are released in a targeted manner aiming at different growth periods through two layers of particle coating, and the yield of crops is improved.
Description
Technical Field
The invention relates to the technical field of crop planting, in particular to a method for mixed planting of corn and soybean.
Background
With the continuous growth of population, the rigidity of grain needs is increased, and intercropping planting is more and more valued and discussed by domestic and foreign agricultural specialists. Intercropping is the essence of traditional agriculture in China, has a long history, and makes great contribution in traditional agriculture and current agriculture. The reasonable intercropping mode can intensively utilize natural resources such as light, heat, fertilizer, water and the like, is also one of effective measures for increasing the biological diversity of farmlands, enhances the capabilities of crops for resisting diseases and insect pests and lodging, and improves the productivity of unit land areas. However, the problems of unreasonable light-temperature resource matching, uncombined planting and raising land and the like exist in production, especially in the planting of corns and soybeans, and the sustainable development is not facilitated.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the defects existing in the prior art, the method for mixed planting of corn and soybean is provided.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a method for mixed planting of corn and soybean, comprising the following steps:
(1) Carrying out deep rotary tillage on soil, and paving the tillage layer and the plough layer after the soil is loosened, crushed and mixed;
(2) Sequentially arranging corn bands, soybean bands, corn bands and alfalfa bands as one width, sequentially planting a plurality of width, planting corn to form four rows of bands, and planting soybean and alfalfa to form two rows of bands, wherein the row spacing of corn in the corn bands is 65cm, the row spacing of soybean in the soybean bands is 30cm, and the row spacing of alfalfa in the alfalfa bands is 30cm;
(3) Seeds with bright grain luster, uniform grain size and uniform grain shape are selected from the corn and the soybean;
(4) Simultaneously planting alfalfa, corn and soybean in late April;
(5) Harvesting soybeans in the upper September, harvesting corn in the upper October, and not harvesting alfalfa;
(6) In spring cultivation, alfalfa is turned into the cultivation layer, and sowing of alfalfa, corn and soybean is repeated.
Preferably, the distance between adjacent corns and soybeans is 30cm, the distance between adjacent alfalfa and corns is 30cm, and the width between one web is 570cm.
Preferably, the plant distance of corn in the same row is 14-18 cm, the plant distance of soybean is 9-15 cm, and the plant distance of alfalfa is 6-12 cm.
Preferably, a slow release fertilizer is applied during planting, and the slow release fertilizer comprises the following raw materials in parts by weight: 16-20 parts of alfalfa powder, 22-26 parts of soybean stems, 12-20 parts of dried fish, 40-48 parts of urea, 32-40 parts of monopotassium phosphate, 30-38 parts of diammonium phosphate, 20-27 parts of mineral source humus ultrafine powder and 0.4-1.2 parts of particle coating.
Preferably, the particle coating is a graft copolymer of starch and phenols.
Preferably, the preparation method of the particle coating in the slow release fertilizer comprises the following steps: gelatinizing 50g distilled water and 5g starch at high temperature for 10min, cooling to room temperature, adding phosphate buffer solution to control pH to 7.0, adding 7g hydroquinone, 10g sodium phenolsulfonate and 5mg HRP, maintaining constant temperature at 30deg.C, adding 5g H 2 O 2 Stopping the reaction after 4 hours to obtain the graft copolymer of starch and phenols.
Preferably, the preparation method of the slow release fertilizer comprises the following steps:
a: dissolving half of the weight of the particle coating in an organic solvent, then placing the organic solvent into an electrostatic spray gun, crushing half of the weight of potassium dihydrogen phosphate, placing the crushed potassium dihydrogen phosphate into a granulator, and carrying out electrostatic spraying to obtain particles 1;
b: adding one half of the weight of the diammonium phosphate into a melter, providing heat through a steam boiler, melting the diammonium phosphate into slurry 1, pressurizing through a centrifugal pump, atomizing the slurry 1, spraying the atomized slurry onto a material curtain in a rotary drum granulator, and placing the granules 1 into the granulator to obtain granules 2;
c: dissolving the rest half weight of particle coating in an organic solvent, then placing the organic solvent in an electrostatic spray gun, placing the particles 2 in a rotary receiving device, and obtaining particles 3 through electrostatic spraying;
d: crushing mineral source humus at normal temperature and normal pressure through a grinder, regulating the crushed mineral source humus through an air classifier to obtain superfine mineral source humus powder with the particle size of 1-20 mu m, crushing alfalfa powder, soybean stems and dried fish through the grinder, mixing the crushed alfalfa powder, the soybean stems and the dried fish with the superfine mineral source humus powder to obtain a powder mixed material 1, and intensively and uniformly mixing half of the rest potassium dihydrogen phosphate, half of the rest diammonium phosphate, half of the urea powder and the powder mixed material 1 through a mixer to obtain a mixed material;
e: placing the mixed material in the step E into a granulator, continuously adding the rest half weight of urea into a urea melter, providing heat by a steam boiler, melting the urea into urea slurry, pressurizing by a centrifugal pump, atomizing the urea slurry, spraying the atomized urea slurry onto a material curtain in the rotary drum granulator, and spraying to obtain spherical particles;
f: and E, conveying the spherical particles obtained in the step E into a rotary dryer, then conveying the spherical particles into a hot screening for screening, conveying the particles with the particle size of 3.0-5.0 mm into a rotary cooler, and cooling the particles by natural cold air or forced cold air to obtain the slow-release fertilizer.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the row spacing of the corns is properly increased, so that the soybeans can be ensured to be irradiated enough, and the condition of yield reduction caused by insufficient irradiation can not occur.
2. The higher corns are respectively close to the shorter soybeans and the alfalfa, the illumination effect and the ventilation effect are good, the survival rate of the corns is high, and meanwhile, the yield of the finally obtained corns is high.
3. The alfalfa does not need to be harvested, can cover soil in winter, plays a role in preventing wind erosion, and can be turned into a cultivation layer to improve fertility in spring cultivation.
4. The slow release fertilizer has three sections corresponding to seedling stage, jointing stage and heading stage of corn, and is applied once in the whole process, so that the application times are greatly reduced and the cost is saved.
5. The outmost layer of the slow release fertilizer provides required nitrogen, phosphorus and potassium for seedling stage, takes effect quickly, after the first layer of particle coating is destroyed after 1 half month, the diammonium phosphate plays a role in the ear stage, the nitrogen and phosphorus required in the stage are supplemented, the second layer of particle coating is destroyed after about 3 months, the potassium phosphate supplements the potassium fertilizer required in the ear stage, the fertilizer efficiency penetrates through the whole growth period of corn, and the yield of corn is improved.
Detailed Description
The invention is further illustrated by the following examples.
Example 1
A method for mixed planting of corn and soybean, comprising the following steps:
(1) Carrying out deep rotary tillage on soil, and paving the tillage layer and the plough layer after the soil is loosened, crushed and mixed;
(2) Sequentially arranging corn bands, soybean bands, corn bands and alfalfa bands as one width, sequentially planting a plurality of width, planting corn to form four rows of bands, and planting soybean and alfalfa to form two rows of bands, wherein the row spacing of corn in the corn bands is 65cm, the row spacing of soybean in the soybean bands is 30cm, and the row spacing of alfalfa in the alfalfa bands is 30cm;
(3) Seeds with bright grain luster, uniform grain size and uniform grain shape are selected from the corn and the soybean;
(4) Simultaneously planting alfalfa, corn and soybean in late April;
(5) Harvesting soybeans in the upper September, harvesting corn in the upper October, and not harvesting alfalfa;
(6) In spring cultivation, alfalfa is turned into the cultivation layer, and sowing of alfalfa, corn and soybean is repeated.
The distance between adjacent corns and soybeans is 30cm, the distance between adjacent alfalfa and corns is 30cm, and the width between one two webs is 570cm.
The plant spacing of corn in the same row is 14-18 cm, the plant spacing of soybean is 9-15 cm, and the plant spacing of alfalfa is 6-12 cm.
Example 2
In the method for mixed planting of corn and soybean in the embodiment 1, a slow release fertilizer is applied during planting, and the slow release fertilizer comprises the following raw materials in parts by weight: 16 parts of alfalfa powder, 22 parts of soybean stems, 12 parts of dried fish, 40 parts of urea, 32 parts of monopotassium phosphate, 30 parts of diammonium phosphate, 20 parts of mineral source humus ultrafine powder and 0.4 part of particle coating.
The preparation method of the slow release fertilizer comprises the following steps:
a: dissolving half of the weight of the particle coating in an organic solvent, then placing the organic solvent into an electrostatic spray gun, crushing half of the weight of potassium dihydrogen phosphate, placing the crushed potassium dihydrogen phosphate into a granulator, and carrying out electrostatic spraying to obtain particles 1;
b: adding one half of the weight of the diammonium phosphate into a melter, providing heat through a steam boiler, melting the diammonium phosphate into slurry 1, pressurizing through a centrifugal pump, atomizing the slurry 1, spraying the atomized slurry onto a material curtain in a rotary drum granulator, and placing the granules 1 into the granulator to obtain granules 2;
c: dissolving the rest half weight of particle coating in an organic solvent, then placing the organic solvent in an electrostatic spray gun, placing the particles 2 in a rotary receiving device, and obtaining particles 3 through electrostatic spraying;
d: crushing mineral source humus at normal temperature and normal pressure through a grinder, regulating the crushed mineral source humus through an air classifier to obtain superfine mineral source humus powder with the particle size of 1-20 mu m, crushing alfalfa powder, soybean stems and dried fish through the grinder, mixing the crushed alfalfa powder, the soybean stems and the dried fish with the superfine mineral source humus powder to obtain a powder mixed material 1, and intensively and uniformly mixing half of the rest potassium dihydrogen phosphate, half of the rest diammonium phosphate, half of the urea powder and the powder mixed material 1 through a mixer to obtain a mixed material;
e: placing the mixed material in the step E into a granulator, continuously adding the rest half weight of urea into a urea melter, providing heat by a steam boiler, melting the urea into urea slurry, pressurizing by a centrifugal pump, atomizing the urea slurry, spraying the atomized urea slurry onto a material curtain in the rotary drum granulator, and spraying to obtain spherical particles;
f: and E, conveying the spherical particles obtained in the step E into a rotary dryer, then conveying the spherical particles into a hot screening for screening, conveying the particles with the particle size of 3.0-5.0 mm into a rotary cooler, and cooling the particles by natural cold air or forced cold air to obtain the slow-release fertilizer.
The preparation method of the particle coating in the slow release fertilizer comprises the following steps: gelatinizing 50g distilled water and 5g starch at high temperature for 10min, cooling to room temperature, adding phosphate buffer solution to control pH to 7.0, adding 7g hydroquinone, 10g sodium phenolsulfonate and 5mg HRP, maintaining constant temperature at 30deg.C, adding 5g H 2 O 2 Stopping the reaction after 4 hours to obtain the graft copolymer of starch and phenols.
Example 3
In the method for mixed planting of corn and soybean in the embodiment 1, a slow release fertilizer is applied during planting, and the slow release fertilizer comprises the following raw materials in parts by weight: 18 parts of alfalfa powder, 24 parts of soybean stems, 16 parts of dried fish, 44 parts of urea, 36 parts of monopotassium phosphate, 34 parts of diammonium phosphate, 24 parts of mineral source humus ultrafine powder and 0.8 part of particle coating.
The preparation method of the slow release fertilizer comprises the following steps:
a: dissolving half of the weight of the particle coating in an organic solvent, then placing the organic solvent into an electrostatic spray gun, crushing half of the weight of potassium dihydrogen phosphate, placing the crushed potassium dihydrogen phosphate into a granulator, and carrying out electrostatic spraying to obtain particles 1;
b: adding one half of the weight of the diammonium phosphate into a melter, providing heat through a steam boiler, melting the diammonium phosphate into slurry 1, pressurizing through a centrifugal pump, atomizing the slurry 1, spraying the atomized slurry onto a material curtain in a rotary drum granulator, and placing the granules 1 into the granulator to obtain granules 2;
c: dissolving the rest half weight of particle coating in an organic solvent, then placing the organic solvent in an electrostatic spray gun, placing the particles 2 in a rotary receiving device, and obtaining particles 3 through electrostatic spraying;
d: crushing mineral source humus at normal temperature and normal pressure through a grinder, regulating the crushed mineral source humus through an air classifier to obtain superfine mineral source humus powder with the particle size of 1-20 mu m, crushing alfalfa powder, soybean stems and dried fish through the grinder, mixing the crushed alfalfa powder, the soybean stems and the dried fish with the superfine mineral source humus powder to obtain a powder mixed material 1, and intensively and uniformly mixing half of the rest potassium dihydrogen phosphate, half of the rest diammonium phosphate, half of the urea powder and the powder mixed material 1 through a mixer to obtain a mixed material;
e: placing the mixed material in the step E into a granulator, continuously adding the rest half weight of urea into a urea melter, providing heat by a steam boiler, melting the urea into urea slurry, pressurizing by a centrifugal pump, atomizing the urea slurry, spraying the atomized urea slurry onto a material curtain in the rotary drum granulator, and spraying to obtain spherical particles;
f: and E, conveying the spherical particles obtained in the step E into a rotary dryer, then conveying the spherical particles into a hot screening for screening, conveying the particles with the particle size of 3.0-5.0 mm into a rotary cooler, and cooling the particles by natural cold air or forced cold air to obtain the slow-release fertilizer.
The preparation method of the particle coating in the slow release fertilizer comprises the following steps: gelatinizing 50g distilled water and 5g starch at high temperature for 10min, cooling to room temperature, adding phosphate buffer solution to control pH to 7.0, adding 7g hydroquinone, 10g sodium phenolsulfonate and 5mg HRP, maintaining constant temperature at 30deg.C, adding 5g H 2 O 2 Stopping the reaction after 4 hours to obtain the graft copolymer of starch and phenols.
Example 4
In the method for mixed planting of corn and soybean in the embodiment 1, a slow release fertilizer is applied during planting, and the slow release fertilizer comprises the following raw materials in parts by weight: 20 parts of alfalfa powder, 26 parts of soybean stems, 20 parts of dried fish, 48 parts of urea, 40 parts of monopotassium phosphate, 38 parts of diammonium phosphate, 27 parts of mineral source humus ultrafine powder and 1.2 parts of particle coating.
The preparation method of the slow release fertilizer comprises the following steps:
a: dissolving half of the weight of the particle coating in an organic solvent, then placing the organic solvent into an electrostatic spray gun, crushing half of the weight of potassium dihydrogen phosphate, placing the crushed potassium dihydrogen phosphate into a granulator, and carrying out electrostatic spraying to obtain particles 1;
b: adding one half of the weight of the diammonium phosphate into a melter, providing heat through a steam boiler, melting the diammonium phosphate into slurry 1, pressurizing through a centrifugal pump, atomizing the slurry 1, spraying the atomized slurry onto a material curtain in a rotary drum granulator, and placing the granules 1 into the granulator to obtain granules 2;
c: dissolving the rest half weight of particle coating in an organic solvent, then placing the organic solvent in an electrostatic spray gun, placing the particles 2 in a rotary receiving device, and obtaining particles 3 through electrostatic spraying;
d: crushing mineral source humus at normal temperature and normal pressure through a grinder, regulating the crushed mineral source humus through an air classifier to obtain superfine mineral source humus powder with the particle size of 1-20 mu m, crushing alfalfa powder, soybean stems and dried fish through the grinder, mixing the crushed alfalfa powder, the soybean stems and the dried fish with the superfine mineral source humus powder to obtain a powder mixed material 1, and intensively and uniformly mixing half of the rest potassium dihydrogen phosphate, half of the rest diammonium phosphate, half of the urea powder and the powder mixed material 1 through a mixer to obtain a mixed material;
e: placing the mixed material in the step E into a granulator, continuously adding the rest half weight of urea into a urea melter, providing heat by a steam boiler, melting the urea into urea slurry, pressurizing by a centrifugal pump, atomizing the urea slurry, spraying the atomized urea slurry onto a material curtain in the rotary drum granulator, and spraying to obtain spherical particles;
f: and E, conveying the spherical particles obtained in the step E into a rotary dryer, then conveying the spherical particles into a hot screening for screening, conveying the particles with the particle size of 3.0-5.0 mm into a rotary cooler, and cooling the particles by natural cold air or forced cold air to obtain the slow-release fertilizer.
The preparation method of the particle coating in the slow release fertilizer comprises the following steps: gelatinizing 50g distilled water and 5g starch at high temperature for 10min, cooling to room temperature, adding phosphate buffer solution to control pH to 7.0, adding 7g hydroquinone, 10g sodium phenolsulfonate and 5mg HRP, maintaining constant temperature at 30deg.C, adding 5g H 2 O 2 Stopping the reaction after 4 hours to obtain the graft copolymer of starch and phenols.
An experimental field of Cui Guzhuang village in eastern town in Pinggu area of Beijing was selected and corn, soybean and alfalfa were planted as in example 1, wherein the corn varieties were: dongdan 6531, soybean variety is: and (5) rice spring soybeans. The test field was divided into four parts, three of which were respectively applied with the slow release fertilizers of examples 2 to 4, the amount of the slow release fertilizer applied was 60 kg/mu, and all applied 20 days after corn sowing. The fourth part of the medium urea produced by the applied sun-cured coal plain chemical industry Co., ltd is applied 20 days after corn sowing, the application amount is 40 kg/mu, additional fertilizer is carried out when the corn is in a heading stage, the potassium dihydrogen phosphate fertilizer produced by the Shandong Xin Ruiji biotechnology Co., ltd is applied, the application amount is 20 kg/mu, and the fourth part of test field is taken as a comparative example, and the following results are obtained through the examples and the comparative example:
TABLE 1
Compared with the common fertilization mode, the corn and soybean mixed planting method is high in corn and soybean yield by applying the slow release fertilizer, and only one fertilization is needed in the whole growth period, so that labor force is saved.
It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.
Claims (5)
1. A method for mixed planting of corn and soybean, which is characterized by comprising the following steps:
(1) Carrying out deep rotary tillage on soil, and paving the tillage layer and the plough layer after the soil is loosened, crushed and mixed;
(2) Sequentially arranging corn bands, soybean bands, corn bands and alfalfa bands as one width, sequentially planting a plurality of width, planting corn to form four rows of bands, and planting soybean and alfalfa to form two rows of bands, wherein the row spacing of corn in the corn bands is 65cm, the row spacing of soybean in the soybean bands is 30cm, and the row spacing of alfalfa in the alfalfa bands is 30cm;
(3) Seeds with bright grain luster, uniform grain size and uniform grain shape are selected from the corn and the soybean;
(4) Simultaneously planting alfalfa, corn and soybean in late April;
(5) Harvesting soybeans in the upper September, harvesting corn in the upper October, and not harvesting alfalfa;
(6) Turning alfalfa into a cultivation layer during spring cultivation, and repeatedly sowing alfalfa, corn and soybean, wherein slow release fertilizer is applied during planting, and the slow release fertilizer comprises the following raw materials in parts by weight: 16-20 parts of alfalfa powder, 22-26 parts of soybean stems, 12-20 parts of dried fish, 40-48 parts of urea, 32-40 parts of monopotassium phosphate, 30-38 parts of diammonium phosphate, 20-27 parts of mineral source humus ultrafine powder and 0.4-1.2 parts of particle coating;
the preparation method of the slow release fertilizer comprises the following steps of,
a: dissolving half of the weight of the particle coating in an organic solvent, then placing the organic solvent into an electrostatic spray gun, crushing half of the weight of potassium dihydrogen phosphate, placing the crushed potassium dihydrogen phosphate into a granulator, and carrying out electrostatic spraying to obtain particles 1;
b: adding one half of the weight of the diammonium phosphate into a melter, providing heat through a steam boiler, melting the diammonium phosphate into slurry 1, pressurizing through a centrifugal pump, atomizing the slurry 1, spraying the atomized slurry onto a material curtain in a rotary drum granulator, and placing the granules 1 into the granulator to obtain granules 2;
c: dissolving the rest half weight of particle coating in an organic solvent, then placing the organic solvent in an electrostatic spray gun, placing the particles 2 in a rotary receiving device, and obtaining particles 3 through electrostatic spraying;
d: crushing mineral source humus at normal temperature and normal pressure through a grinder, regulating the crushed mineral source humus through an air classifier to obtain superfine mineral source humus powder with the particle size of 1-20 mu m, crushing alfalfa powder, soybean stems and dried fish through the grinder, mixing the crushed alfalfa powder, the soybean stems and the dried fish with the superfine mineral source humus powder to obtain a powder mixed material 1, and intensively and uniformly mixing half of the rest potassium dihydrogen phosphate, half of the rest diammonium phosphate, half of the urea powder and the powder mixed material 1 through a mixer to obtain a mixed material;
e: placing the mixed material in the step E into a granulator, continuously adding the rest half weight of urea into a urea melter, providing heat by a steam boiler, melting the urea into urea slurry, pressurizing by a centrifugal pump, atomizing the urea slurry, spraying the atomized urea slurry onto a material curtain in the rotary drum granulator, and spraying to obtain spherical particles;
f: and E, conveying the spherical particles obtained in the step E into a rotary dryer, then conveying the spherical particles into a hot screening for screening, conveying the particles with the particle size of 3.0-5.0 mm into a rotary cooler, and cooling the particles by natural cold air or forced cold air to obtain the slow-release fertilizer.
2. A method for mixed planting of corn and soybean as claimed in claim 1, wherein: the distance between adjacent corns and soybeans is 30cm, the distance between adjacent alfalfa and corns is 30cm, and the width between one two webs is 570cm.
3. A method for mixed planting of corn and soybean as claimed in claim 1, wherein: the plant spacing of corn in the same row is 14-18 cm, the plant spacing of soybean is 9-15 cm, and the plant spacing of alfalfa is 6-12 cm.
4. A method for mixed planting of corn and soybean as claimed in claim 1, wherein: the particle coating is a graft copolymer of starch and phenols.
5. The method for mixed planting of corn and soybean according to claim 4, wherein the preparation method of the particle coating in the slow release fertilizer is as follows: gelatinizing 50g distilled water and 5g starch at high temperature for 10min, cooling to room temperature, adding phosphate buffer solution to control pH to 7.0, adding 7g hydroquinone, 10g sodium phenolsulfonate and 5mg HRP, maintaining constant temperature at 30deg.C, adding 5g H 2 O 2 Stopping the reaction after 4 hours to obtain the graft copolymer of starch and phenols.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210338490.0A CN114747446B (en) | 2022-04-01 | 2022-04-01 | Corn and soybean mixed planting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210338490.0A CN114747446B (en) | 2022-04-01 | 2022-04-01 | Corn and soybean mixed planting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114747446A CN114747446A (en) | 2022-07-15 |
| CN114747446B true CN114747446B (en) | 2023-06-27 |
Family
ID=82330037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210338490.0A Active CN114747446B (en) | 2022-04-01 | 2022-04-01 | Corn and soybean mixed planting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114747446B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115250847A (en) * | 2022-08-30 | 2022-11-01 | 巴中市巴州区农业技术推广中心 | Method for planting soybeans between konjak sleeved with corn |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6631585B1 (en) * | 2001-01-02 | 2003-10-14 | Marvin J. Williams, Jr. | Intercropping process |
| CN1309685C (en) * | 2002-03-26 | 2007-04-11 | 佐治亚-太平洋树脂公司 | Slow release nitrogen fertilizer |
| CN106982634A (en) * | 2017-04-20 | 2017-07-28 | 和县瑞祥水稻种植专业合作社 | A kind of mixed planting method of alfalfa and corn |
| CN107581009A (en) * | 2017-10-20 | 2018-01-16 | 山东省农业科学院 | A kind of corn soybean Intercropping Cultivation method |
| CN110467503A (en) * | 2019-09-09 | 2019-11-19 | 山东胜伟盐碱地科技有限公司 | A kind of salt-soda soil cladding sustained release agent and preparation method thereof |
| CN111083958A (en) * | 2019-12-31 | 2020-05-01 | 潍坊友容实业有限公司 | Saline-alkali soil improvement method |
-
2022
- 2022-04-01 CN CN202210338490.0A patent/CN114747446B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114747446A (en) | 2022-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ibrahim et al. | Growth, yield and chemical constituents of corn (Zea Maize L.) as affected by nitrogen and phosphors fertilization under different irrigation intervals | |
| WO2019091141A1 (en) | Dedicated controlled-release coated fertilizer for peanuts in saline-alkali soil, and preparation method therefor | |
| WO2019091142A1 (en) | Special controlled-release coated fertilizer for high-yield field-cultivated peanuts and preparation method therefor | |
| Ayoola et al. | Performance of green maize and soil nutrient changes with fortified cow dung | |
| CN108243876B (en) | Method for alternately planting rice and tobacco | |
| CN108424193A (en) | A kind of soilless culture substrate and preparation method thereof | |
| CN114747446B (en) | Corn and soybean mixed planting method | |
| CN107759328A (en) | Poor rainfed land special peanut film-coating Controlled Release Fertilizer and preparation method thereof | |
| CN102060630B (en) | Insecticide-fertilizer special for sweet potato and preparation method thereof | |
| WO2024032339A1 (en) | Preparation method for orchard base fertilizer and application method therefor | |
| CN107409732A (en) | A kind of implantation methods of organic paddy rice | |
| Meena et al. | Effect of row ratio and fertility levels on productivity, economics and nutrient uptake in maize (Zea mays)+ soybean (Glycine max) intercropping system | |
| CN107278419A (en) | A kind of method that loach is raised together with rice field | |
| CN104261962A (en) | Organic fertilizer for pear tree planting and preparation method thereof | |
| CN106717741A (en) | A kind of corn planting method | |
| CN110028358A (en) | Improved the soil mode based on Controlled Release Fertilizer-plant immune inducer-organic fertilizer advantage compatibility beach saline land control salt drop alkali | |
| Hartzog et al. | Soil fertility experiments with peanuts in Alabama, 1973-1986 | |
| CN108314545A (en) | A kind of green cucumber dedicated fertilizer and preparation method thereof | |
| CN107223426A (en) | A kind of high-yield disease resisting implantation methods of wheat | |
| CN1401614A (en) | Particle fertilizer for corn | |
| CN113896595A (en) | Multi-element water-soluble compound microbial fertilizer and preparation method thereof | |
| Kumawat et al. | Influence of phosphorus and zinc fertilization on growth and yield of fenugreek (Trigonella foenum-graecum) in the semi-arid region of Rajasthan | |
| CN110604015A (en) | Sorghum planting method | |
| CN108863609A (en) | A kind of rice breeding special production-increase slow release fertilizer | |
| PRAMANIK et al. | Response of aerobic rice (Oryza sativa) to irrigation regimes and methods of zinc application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |