CN112457137A - Amino acid fertilizer for improving saline-alkali soil and application thereof - Google Patents
Amino acid fertilizer for improving saline-alkali soil and application thereof Download PDFInfo
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- CN112457137A CN112457137A CN202011520608.9A CN202011520608A CN112457137A CN 112457137 A CN112457137 A CN 112457137A CN 202011520608 A CN202011520608 A CN 202011520608A CN 112457137 A CN112457137 A CN 112457137A
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- C05—FERTILISERS; MANUFACTURE THEREOF
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- C—CHEMISTRY; METALLURGY
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- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/04—Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate
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- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
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Abstract
The invention discloses an amino acid fertilizer for improving saline-alkali soil. The raw materials comprise, by weight, 5-10 parts of composite microorganisms, 30-50 parts of bran, 5-10 parts of cooked fish meat, 5-10 parts of urea, 1-10 parts of diammonium phosphate, 1-10 parts of potassium sulfate and 1-3 parts of composite minerals. When in use, the weight is 60-120kg/hm2The application amount of the amino acid fertilizer is that the amino acid fertilizer is applied to the saline-alkali soil in a base fertilizer mode, and then plowed and sowed. The amino acid fertilizer disclosed by the invention is applied to saline-alkali soil, can promote the growth of crops planted in the saline-alkali soil, reduces the salt content and the pH value of the saline-alkali soil, and improves the physical and chemical properties of the soil.
Description
Technical Field
The invention belongs to the technical field of saline-alkali soil improvement, and particularly relates to an amino acid fertilizer for improving saline-alkali soil and application thereof.
Background
Saline-alkali soil is a general term for various salinized soil and alkaline soil. The salinization of the soil causes the farmland to be incapable of cultivating, the economic benefit of the soil is low, and the land resource is wasted. However, saline-alkali soil can be converted into cultivated land through improvement, which has important significance for sustainable development of agriculture.
The biological improvement of saline-alkali soil does not destroy the ecological environment, and the physical and chemical properties of soil and the microclimate of soil are improved mainly by introducing, screening and planting salt-tolerant plants.
Beneficial microorganisms in the soil can secrete a large amount of physiological active substances in the metabolic activity process of the beneficial microorganisms, so that the physical and chemical properties of the soil are improved, and the nutrient content in the soil is increased; the amino acid fertilizer has high absorption and utilization rate and can stimulate and regulate the growth of crops.
Therefore, the amino acid fertilizer containing beneficial microorganisms is developed and applied to crops planted in saline-alkali soil, and the amino acid fertilizer has great significance for improving the saline-alkali soil.
Disclosure of Invention
The invention aims to provide an amino acid fertilizer for improving saline-alkali soil and application thereof, which can reduce the salt content and pH value of saline-alkali soil and promote the growth of crops planted in the saline-alkali soil.
On the one hand, the invention provides an amino acid fertilizer for improving saline-alkali soil, which is mainly prepared from raw materials consisting of compound microorganisms, bran, cooked fish meat, urea, diammonium phosphate, potassium sulfate and compound mineral substances.
Preferably, the amino acid fertilizer is prepared by uniformly mixing the raw materials, adjusting the water content to 40-70%, and then fermenting at the temperature of 18-28 ℃ for 3-15 days.
Preferably, the raw materials comprise, by weight, 5-10 parts of the compound microorganism, 30-50 parts of bran, 5-10 parts of cooked fish meat, 5-10 parts of urea, 1-10 parts of diammonium phosphate, 1-10 parts of potassium sulfate and 1-3 parts of the compound mineral substance.
Preferably, the raw materials comprise, by weight, 5 parts of the compound microorganism, 30 parts of the bran, 8 parts of the cooked fish meat, 5 parts of the urea, 6 parts of the diammonium phosphate, 1 part of the potassium sulfate and 2 parts of the compound mineral substance.
Preferably, the raw materials comprise, by weight, 7 parts of the compound microorganism, 40 parts of the bran, 5 parts of the cooked fish meat, 10 parts of the urea, 1 part of the diammonium phosphate, 10 parts of the potassium sulfate and 1 part of the compound mineral substance.
Preferably, the raw materials comprise, by weight, 10 parts of the compound microorganism, 50 parts of the bran, 10 parts of the cooked fish meat, 7 parts of the urea, 10 parts of the diammonium phosphate, 7 parts of the potassium sulfate and 3 parts of the compound mineral substance.
Preferably, the complex microorganism includes aspergillus glaucus, aspergillus niger, ceruloplasmin, trichoderma viride, lactobacillus plantarum and bacillus licheniformis.
Preferably, the mineral elements include ferrous sulfate, zinc sulfate, magnesium sulfate, manganese sulfate, calcium hydrogen phosphate, sodium molybdate, and calcium silicate.
On the other hand, the invention also provides the application of the amino acid fertilizer, the amino acid fertilizer is applied to soil in a base fertilizer mode, and then plowed and sowed.
Preferably, the application amount of the amino acid fertilizer is 60-120kg/hm2。
The amino acid fertilizer disclosed by the invention is applied to saline-alkali soil, so that the growth of crops planted in the saline-alkali soil can be promoted, the salt content and the pH value of the saline-alkali soil are reduced, and the soil physical and chemical properties and the ecological environment of the saline-alkali soil are improved.
Detailed Description
The invention will be further described with reference to specific embodiments, and the advantages and features of the invention will become apparent as the description proceeds. It should be understood that the examples are illustrative only and are not limiting upon the scope of the invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
In the following description, all methods involved are conventional in the art unless otherwise specified. The starting materials mentioned are all those which are commercially available from the public unless otherwise specified.
The amino acid fertilizer for improving the saline-alkali soil is prepared by mixing compound microorganisms, bran, cooked fish meat, urea, diammonium phosphate, potassium sulfate, compound mineral substances and clear water according to a certain proportion and then fermenting. The amino acid fertilizer disclosed by the invention is applied to saline-alkali soil, so that the growth of crops planted in the saline-alkali soil can be promoted, the salt content and the pH value of the saline-alkali soil are reduced, and the soil physicochemical property and the ecological environment of the saline-alkali soil are improved.
In one embodiment of the invention, the amino acid fertilizer for improving the saline-alkali soil is prepared from raw materials consisting of compound microorganisms, bran, cooked fish meat, urea, diammonium phosphate, potassium sulfate, compound mineral substances and clear water. The compound mineral comprises ferrous sulfate, zinc sulfate, magnesium sulfate, manganese sulfate, calcium hydrogen phosphate, sodium molybdate and calcium silicate.
The specific preparation process of the amino acid fertilizer comprises the following steps: step 1, preparing a compound microorganism; step 2, preparing a composite mineral substance, and step 3, preparing a mixed material; and 4, fermenting the mixed material.
In step 1 of preparing the complex microorganism, Aspergillus glaucus powder and Aspergillus niger powder are selecteds niger) powder, Talaromyces flavus powder, Trichoderma viride (Trichoderma viride) powder, Lactobacillus plantarum (Lactobacillus plantarum) powder and Bacillus licheniformis (Bacillus licheniformis) powder, and then compounding the six kinds of powder according to the proportioning relationship of weight to obtain the composite microorganism, preferably 10-20 parts of Aspergillus glaucus powder, 4-10 parts of Aspergillus niger powder, 5-10 parts of Talaromyces flavus powder, 15-25 parts of Trichoderma viride powder, 10-25 parts of Lactobacillus plantarum powder and 10-15 parts of Bacillus licheniformis powder. On one hand, lactobacillus plantarum and bacillus licheniformis are fermented and cultured in corresponding liquid culture mediums respectively to obtain bacterial liquids, and then thalli are separated from the fermented culture, dried and concentrated to prepare single-strain solid bacterial powder. The bacterial contents of the two single bacterial strains are respectively as follows: the content of Lactobacillus plantarum is not less than 3.5 × 1011cfu/g and the bacterial content of the bacillus licheniformis is more than or equal to 1.5 multiplied by 1010cfu/g. On the other hand, the aspergillus glaucus, the aspergillus niger, the albolaceae and the trichoderma viride are respectively fermented in corresponding solid culture media to obtain solid cultures, and then the solid cultures are dried and crushed to prepare single-strain solid bacterial powder. The bacterial content of each single bacterial strain powder is respectively as follows: the bacteria content of Aspergillus glaucus is not less than 2.5 × 1010cfu/g, the bacterial content of Aspergillus niger is more than or equal to 3.0 multiplied by 1010cfu/g, the bacterial content of the yellow blue shaped bacteria is more than or equal to 2.5 multiplied by 1010The bacterial content of cfu/g and Trichoderma viride is more than or equal to 1.5 multiplied by 1010cfu/g。
In the step 2 of preparing mineral elements, ferrous sulfate, zinc sulfate, magnesium sulfate, manganese sulfate, calcium hydrophosphate, sodium molybdate and calcium silicate are weighed according to a set proportion relation, and then all mineral substances are added together, stirred and mixed uniformly. The weight ratio of various minerals is preferably as follows: 5-10 parts of ferrous sulfate, 4-8 parts of zinc sulfate, 3-8 parts of magnesium sulfate, 1-5 parts of manganese sulfate, 5-8 parts of calcium hydrophosphate, 1-5 parts of sodium molybdate and 1-5 parts of calcium silicate.
In the step 3 of preparing the mixed material, the composite microorganism, the bran, the cooked fish meat, the urea, the diammonium phosphate, the potassium sulfate and the composite mineral are weighed according to the predetermined weight ratio, then the raw materials are added together and stirred, and clear water is added after the raw materials are uniformly mixed to adjust the water content of the mixed material to be 40-70%. The weight ratio of each main raw material is respectively optimized as follows: 5-10 parts of compound microorganism, 30-50 parts of bran, 5-10 parts of cooked fish meat, 5-10 parts of urea, 1-10 parts of diammonium phosphate, 1-10 parts of potassium sulfate and 1-3 parts of compound mineral. The cooked fish meat can be prepared by itself, and the raw fish meat is subjected to a cooking treatment, particularly, the fish meat unsuitable for eating (such as deteriorated fish meat or low-value fish during transportation, storage or processing) is subjected to a cooking treatment, thereby obtaining the cooked fish meat.
In the step 4 of fermenting the mixed material, the initial pH of the mixed material is natural, the fermentation temperature is controlled within the range of 18-28 ℃, the fermentation is carried out for 3-15 days, and the fermentation product is used as the amino acid fertilizer.
When the amino acid fertilizer is applied to improve saline-alkali soil, the dosage is 60-120kg/hm2The application amount of the fertilizer is that the amino acid fertilizer is applied into soil in a base fertilizer mode, and then plowing and sowing are carried out.
To help better understand the technical solution of the present invention, the following examples are provided to illustrate the preparation process and the application method of the amino acid fertilizer of the present invention.
Example one
The raw materials of the amino acid fertilizer comprise, by weight, 5 parts of compound microorganisms, 30 parts of bran, 8 parts of cooked fish meat, 5 parts of urea, 6 parts of diammonium phosphate, 1 part of potassium sulfate and 2 parts of compound minerals. The composite microorganism comprises, by weight, 10 parts of aspergillus glaucus powder, 7 parts of aspergillus niger powder, 10 parts of bluish yellow fungus powder, 20 parts of trichoderma viride powder, 18 parts of lactobacillus plantarum powder and 10 parts of bacillus licheniformis powder. On one hand, lactobacillus plantarum and bacillus licheniformis are fermented and cultured in corresponding liquid culture mediums respectively to obtain bacterial liquids, and then thalli are separated from the fermented culture, dried and concentrated to prepare single-strain solid bacterial powder. The bacterial contents of the two single bacterial strains are respectively as follows: the content of Lactobacillus plantarum is not less than 3.5 × 1011cfu/g and lichen sporeThe bacteria content of bacillus is not less than 1.5 × 1010cfu/g. On the other hand, the aspergillus glaucus, the aspergillus niger, the albolaceae and the trichoderma viride are respectively fermented in corresponding solid culture media to obtain solid cultures, and then the solid cultures are dried and crushed to prepare single-strain solid bacterial powder. The bacterial content of each single bacterial strain powder is respectively as follows: the bacteria content of Aspergillus glaucus is not less than 2.5 × 1010cfu/g, the bacterial content of Aspergillus niger is more than or equal to 3.0 multiplied by 1010cfu/g, the bacterial content of the yellow blue shaped bacteria is more than or equal to 2.5 multiplied by 1010The bacterial content of cfu/g and Trichoderma viride is more than or equal to 1.5 multiplied by 1010cfu/g. The composite mineral comprises, by weight, 5 parts of ferrous sulfate, 6 parts of zinc sulfate, 8 parts of magnesium sulfate, 1 part of manganese sulfate, 7 parts of calcium hydrogen phosphate, 3 parts of sodium molybdate and 5 parts of calcium silicate.
The amino acid fertilizer is prepared by the following steps.
Step 1, preparing the composite microorganism, and uniformly mixing aspergillus glaucus powder, aspergillus niger powder, ceruleus flavus powder, trichoderma viride powder, lactobacillus plantarum powder and bacillus licheniformis powder to obtain the composite microorganism.
And 2, preparing the composite mineral, namely adding ferrous sulfate, zinc sulfate, magnesium sulfate, manganese sulfate, calcium hydrophosphate, sodium molybdate and calcium silicate together, stirring and uniformly mixing to obtain the composite mineral.
And 3, mixing the raw materials to prepare the amino acid fertilizer, adding the compound microorganisms, the bran, the cooked fish meat, the urea, the diammonium phosphate, the potassium sulfate and the compound mineral together, stirring, and adding clear water to adjust the water content of the mixed material to 40 percent after uniformly mixing.
And 4, fermenting, wherein the initial pH of the mixed material is natural, the fermentation temperature is controlled within the range of 18-28 ℃, the fermentation is carried out for 3 days, and the product after the fermentation is finished is used as the amino acid fertilizer 1.
The application method of the amino acid fertilizer 1 comprises the following steps: when the saline-alkali soil is improved, 60kg/hm is adopted2The application amount of the fertilizer is that the amino acid fertilizer 1 is applied into soil as a base fertilizer, and then plowed and sowed.
Example two
The raw materials of the amino acid fertilizer comprise, by weight, 7 parts of compound microorganisms, 40 parts of bran, 5 parts of cooked fish meat, 10 parts of urea, 1 part of diammonium phosphate, 10 parts of potassium sulfate and 1 part of compound mineral elements. The composite microorganism comprises 16 parts of aspergillus glaucus powder, 10 parts of aspergillus niger powder, 5 parts of bluish yellow fungus powder, 15 parts of trichoderma viride powder, 25 parts of lactobacillus plantarum powder and 15 parts of bacillus licheniformis powder. On one hand, lactobacillus plantarum and bacillus licheniformis are fermented and cultured in corresponding liquid culture mediums respectively to obtain bacterial liquids, and then thalli are separated from the fermented culture, dried and concentrated to prepare single-strain solid bacterial powder. The bacterial contents of the two single bacterial strains are respectively as follows: the content of Lactobacillus plantarum is not less than 3.5 × 1011cfu/g and the bacterial content of the bacillus licheniformis is more than or equal to 1.5 multiplied by 1010cfu/g. On the other hand, the aspergillus glaucus, the aspergillus niger, the albolaceae and the trichoderma viride are respectively fermented in corresponding solid culture media to obtain solid cultures, and then the solid cultures are dried and crushed to prepare single-strain solid bacterial powder. The bacterial content of each single bacterial strain powder is respectively as follows: the bacteria content of Aspergillus glaucus is not less than 2.5 × 1010cfu/g, the bacterial content of Aspergillus niger is more than or equal to 3.0 multiplied by 1010cfu/g, the bacterial content of the yellow blue shaped bacteria is more than or equal to 2.5 multiplied by 1010The bacterial content of cfu/g and Trichoderma viride is more than or equal to 1.5 multiplied by 1010cfu/g. The composite mineral comprises 7 parts by weight of ferrous sulfate, 4 parts by weight of zinc sulfate, 5 parts by weight of magnesium sulfate, 3 parts by weight of manganese sulfate, 8 parts by weight of calcium hydrogen phosphate, 1 part by weight of sodium molybdate and 1 part by weight of calcium silicate.
The amino acid fertilizer is prepared by the following steps.
Step 1, preparing the composite microorganism, and uniformly mixing aspergillus glaucus powder, aspergillus niger powder, ceruleus flavus powder, trichoderma viride powder, lactobacillus plantarum powder and bacillus licheniformis powder to obtain the composite microorganism.
And 2, preparing the composite mineral, namely adding ferrous sulfate, zinc sulfate, magnesium sulfate, manganese sulfate, calcium hydrophosphate, sodium molybdate and calcium silicate together, stirring and uniformly mixing to obtain the composite mineral.
And 3, mixing the raw materials to prepare the amino acid fertilizer, adding the compound microorganisms, the bran, the cooked fish meat, the urea, the diammonium phosphate, the potassium sulfate and the compound mineral together, stirring, and adding clear water to adjust the water content of the mixed material to be 60 percent after uniformly mixing.
And 4, fermenting, wherein the initial pH of the mixed material is natural, the fermentation temperature is controlled within the range of 18-28 ℃, the fermentation is carried out for 10 days, and the product after the fermentation is finished is used as the amino acid fertilizer 2.
The application method of the amino acid fertilizer 2 comprises the following steps: when the saline-alkali soil is improved, the concentration is 90kg/hm2The application amount of the fertilizer is that the amino acid fertilizer 2 is applied into soil as a base fertilizer, and then plowed and sowed.
EXAMPLE III
The raw materials of the amino acid fertilizer comprise, by weight, 10 parts of compound microorganisms, 50 parts of bran, 10 parts of cooked fish meat, 7 parts of urea, 10 parts of diammonium phosphate, 7 parts of potassium sulfate and 3 parts of compound mineral elements. The composite microorganism comprises 20 parts of aspergillus glaucus powder, 4 parts of aspergillus niger powder, 7 parts of bluish yellow fungus powder, 25 parts of trichoderma viride powder, 10 parts of lactobacillus plantarum powder and 12 parts of bacillus licheniformis powder. On one hand, lactobacillus plantarum and bacillus licheniformis are fermented and cultured in corresponding liquid culture mediums respectively to obtain bacterial liquids, and then thalli are separated from the fermented culture, dried and concentrated to prepare single-strain solid bacterial powder. The bacterial contents of the two single bacterial strains are respectively as follows: the content of Lactobacillus plantarum is not less than 3.5 × 1011cfu/g and the bacterial content of the bacillus licheniformis is more than or equal to 1.5 multiplied by 1010cfu/g. On the other hand, Aspergillus glaucus and Aspergillus niger were added separatelyFermenting aspergillus, cyanobacteria flavipes and trichoderma viride in corresponding solid culture media to obtain solid cultures, and then drying and crushing the solid cultures to prepare single-strain solid bacterial powder. The bacterial content of each single bacterial strain powder is respectively as follows: the bacteria content of Aspergillus glaucus is not less than 2.5 × 1010cfu/g, the bacterial content of Aspergillus niger is more than or equal to 3.0 multiplied by 1010cfu/g, the bacterial content of the yellow blue shaped bacteria is more than or equal to 2.5 multiplied by 1010The bacterial content of cfu/g and Trichoderma viride is more than or equal to 1.5 multiplied by 1010cfu/g. The composite mineral comprises 10 parts by weight of ferrous sulfate, 8 parts by weight of zinc sulfate, 3 parts by weight of magnesium sulfate, 5 parts by weight of manganese sulfate, 5 parts by weight of calcium hydrogen phosphate, 5 parts by weight of sodium molybdate and 3 parts by weight of calcium silicate.
The amino acid fertilizer is prepared by the following steps.
Step 1, preparing the composite microorganism, and uniformly mixing aspergillus glaucus powder, aspergillus niger powder, ceruleus flavus powder, trichoderma viride powder, lactobacillus plantarum powder and bacillus licheniformis powder to obtain the composite microorganism.
And 2, preparing the composite mineral, namely adding ferrous sulfate, zinc sulfate, magnesium sulfate, manganese sulfate, calcium hydrophosphate, sodium molybdate and calcium silicate together, stirring and uniformly mixing to obtain the composite mineral.
And 3, mixing the raw materials to prepare the amino acid fertilizer, adding the compound microorganisms, the bran, the cooked fish meat, the urea, the diammonium phosphate, the potassium sulfate and the compound mineral together, stirring, and adding clear water to adjust the water content of the mixed material to 70 percent after uniformly mixing.
And 4, fermenting, wherein the initial pH of the mixed material is natural, the fermentation temperature is controlled within the range of 18-28 ℃, the fermentation is carried out for 15 days, and the product after the fermentation is finished is used as the amino acid fertilizer 3.
The application method of the amino acid fertilizer 3 comprises the following steps: when improving saline-alkali soil, the concentration is 120kg/hm2The application amount of the fertilizer is that the amino acid fertilizer 3 is applied into soil as a base fertilizer, and then plowed and sowed.
In order to help better understand the technical scheme of the invention, the following provides a test example of oil sunflower planting for illustrating the application effect of the invention.
Test example: application effect of amino acid fertilizer on saline-alkali soil improvement and influence on growth of oil sunflower
A saline-alkali field block is selected in Ningxia Wuzhou, the basic physicochemical properties of the field plough layer soil are that the pH value is 8.82, the total salt content is 3.38g/kg, the organic matter content is 1.75%, the quick-acting phosphorus content is 34.20mg/kg, the quick-acting potassium content is 155mg/kg, and the alkaline hydrolysis nitrogen content is 33.22 mg/kg. 4 groups of experimental designs, including 3 experimental groups and 1 control group, each group of experimental designs 3 experimental cells, each area of the experimental cells is 30m2All test cells are randomly distributed.
The test groups applied fertilizer and amino acid fertilizer prepared by the invention. The application method is that urea, calcium superphosphate, potassium sulfate and amino acid fertilizer are used as base fertilizer to be applied to soil before the oil sunflower is planted, and then plowing and sowing are carried out. The fertilizing amount of the three fertilizers is respectively 405kg/hm of urea2Calcium superphosphate 900kg/hm280kg/hm of potassium sulfate2. The three test groups are respectively applied with amino acid fertilizer 1-amino acid fertilizer 3, wherein the application amount of the amino acid fertilizer 1 is 60kg/hm2The application amount of the amino acid fertilizer 2 is 90kg/hm2The application amount of the amino acid fertilizer 3 is 120kg/hm2. The control group was not applied with amino acid fertilizer, and the rest of the procedure was the same as the test group.
Selecting Ningkuiao No. 2 as a test variety, sowing seeds in a wide-narrow row (70cm multiplied by 50cm) mode in the middle of 5 months, performing the same conventional management on each cell, and harvesting in the middle of 9 months. And after the oil sunflower is harvested, counting the oil sunflower yield of each cell, and calculating the average cell yield of each group. And simultaneously, taking a soil sample from each cell, measuring the pH, the total salt content, the organic matter content, the alkaline hydrolysis nitrogen content, the quick-acting phosphorus content and the quick-acting potassium content of the soil, and calculating the average pH, the average total salt content, the average organic matter content, the average alkaline hydrolysis nitrogen content, the average quick-acting phosphorus content and the average quick-acting potassium content of each group of soil. The results are shown in Table 1.
TABLE 1
As can be seen from the data in Table 1, the pH and the total salt content of the soil for planting the 3 groups of oil sunflowers applied with the amino acid fertilizer are both obviously lower than those of the control, the organic matter content, the alkaline hydrolysis nitrogen content, the quick-acting phosphorus content and the quick-acting potassium content are all obviously higher than those of the control, and the yield of the oil sunflowers in the cell is also obviously higher than that of the control. Therefore, after the prepared amino acid fertilizer 1, the prepared amino acid fertilizer 2 and the prepared amino acid fertilizer 3 are applied to saline-alkali soil, the pH value and the salt content of the soil can be reduced, the physicochemical property of the soil can be improved, the growth of the oil sunflower can be promoted, and the yield of the oil sunflower can be increased.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification, or any other related technical fields directly or indirectly, are included in the scope of the present invention.
Claims (10)
1. An amino acid fertilizer for improving saline-alkali soil is mainly prepared from raw materials consisting of compound microorganisms, bran, cooked fish meat, urea, diammonium phosphate, potassium sulfate and compound mineral substances.
2. The amino acid fertilizer for improving saline-alkali soil according to claim 1, which is characterized in that: the amino acid fertilizer is prepared by uniformly mixing the raw materials, adjusting the water content to 40-70%, and then fermenting at the temperature of 18-28 ℃ for 3-15 days.
3. The amino acid fertilizer for improving saline-alkali soil according to claim 1 or 2, which is characterized in that: the raw materials comprise, by weight, 5-10 parts of the compound microorganism, 30-50 parts of bran, 5-10 parts of cooked fish meat, 5-10 parts of urea, 1-10 parts of diammonium phosphate, 1-10 parts of potassium sulfate and 1-3 parts of compound mineral substances.
4. The amino acid fertilizer for improving saline-alkali soil according to claim 1 or 2, which is characterized in that: the raw materials comprise, by weight, 5 parts of the compound microorganism, 30 parts of the bran, 8 parts of the cooked fish meat, 5 parts of the urea, 6 parts of the diammonium phosphate, 1 part of the potassium sulfate and 2 parts of the compound mineral substance.
5. The amino acid fertilizer for improving saline-alkali soil according to claim 1 or 2, which is characterized in that: the raw materials comprise, by weight, 7 parts of the compound microorganism, 40 parts of the bran, 5 parts of the cooked fish meat, 10 parts of the urea, 1 part of the diammonium phosphate, 10 parts of the potassium sulfate and 1 part of the compound mineral substance.
6. The amino acid fertilizer for improving saline-alkali soil according to claim 1 or 2, which is characterized in that: the raw materials comprise, by weight, 10 parts of the compound microorganism, 50 parts of the bran, 10 parts of the cooked fish meat, 7 parts of the urea, 10 parts of the diammonium phosphate, 7 parts of the potassium sulfate and 3 parts of the compound mineral substance.
7. The amino acid fertilizer for improving saline-alkali soil according to claim 1 or 2, which is characterized in that: the compound microorganism comprises aspergillus glaucus, aspergillus niger, ceruleus flavus, trichoderma viride, lactobacillus plantarum and bacillus licheniformis.
8. The amino acid fertilizer for improving saline-alkali soil according to claim 1 or 2, which is characterized in that: the mineral elements include ferrous sulfate, zinc sulfate, magnesium sulfate, manganese sulfate, calcium hydrogen phosphate, sodium molybdate and calcium silicate.
9. The application of the amino acid fertilizer for improving saline-alkali soil as claimed in any one of claims 1 to 8, wherein the amino acid fertilizer comprises the following components in parts by weight: the amino acid fertilizer is applied to soil in a base fertilizer mode, and then plowed and sowed.
10. Use according to claim 9, characterized in that: the application amount of the amino acid fertilizer is 60-120kg/hm2。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112500229A (en) * | 2020-12-21 | 2021-03-16 | 东北农业大学 | Microbial water flush fertilizer for improving saline-alkali soil and application thereof |
| CN113912459A (en) * | 2021-11-09 | 2022-01-11 | 沈阳农业大学 | Preparation method of biogas slurry mineral fertilizer with biocontrol function |
| CN114195578A (en) * | 2021-12-13 | 2022-03-18 | 山东农业大学 | Liquid compound microbial fertilizer and preparation method thereof |
| CN115136765A (en) * | 2022-05-17 | 2022-10-04 | 山东农业大学 | Method for improving coastal saline-alkali soil |
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| CN101928182A (en) * | 2010-09-01 | 2010-12-29 | 山西晨雨科技开发连锁经营有限公司 | Bio-organic fertilizer special for improving saline-alkali lands and preparation method thereof |
| CN106565353A (en) * | 2016-11-14 | 2017-04-19 | 中节能金峰农业科技有限公司 | Compound microbial fertilizer for improving saline and alkaline land and preparation method thereof |
| CN107935767A (en) * | 2017-11-24 | 2018-04-20 | 山东胜景旅游发展有限公司 | A kind of alkaline land improving fertilizer |
| CN108002957A (en) * | 2017-12-23 | 2018-05-08 | 山东胜景旅游发展有限公司 | A kind of salt-soda soil organic fungi-manure and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112500229A (en) * | 2020-12-21 | 2021-03-16 | 东北农业大学 | Microbial water flush fertilizer for improving saline-alkali soil and application thereof |
| CN113912459A (en) * | 2021-11-09 | 2022-01-11 | 沈阳农业大学 | Preparation method of biogas slurry mineral fertilizer with biocontrol function |
| CN113912459B (en) * | 2021-11-09 | 2022-11-04 | 沈阳农业大学 | Preparation method of biogas slurry mineral fertilizer with biocontrol function |
| CN114195578A (en) * | 2021-12-13 | 2022-03-18 | 山东农业大学 | Liquid compound microbial fertilizer and preparation method thereof |
| CN115136765A (en) * | 2022-05-17 | 2022-10-04 | 山东农业大学 | Method for improving coastal saline-alkali soil |
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