LU504089B1 - Amino acid liquid fertilizer for improving saline-alkali land and preparation method thereof - Google Patents
Amino acid liquid fertilizer for improving saline-alkali land and preparation method thereof Download PDFInfo
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- LU504089B1 LU504089B1 LU504089A LU504089A LU504089B1 LU 504089 B1 LU504089 B1 LU 504089B1 LU 504089 A LU504089 A LU 504089A LU 504089 A LU504089 A LU 504089A LU 504089 B1 LU504089 B1 LU 504089B1
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- liquid fertilizer
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- 150000001413 amino acids Chemical class 0.000 title claims abstract description 37
- 239000003513 alkali Substances 0.000 title claims abstract description 35
- 239000003337 fertilizer Substances 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 238000000855 fermentation Methods 0.000 claims abstract description 37
- 230000004151 fermentation Effects 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 238000010564 aerobic fermentation Methods 0.000 claims abstract description 20
- 235000017060 Arachis glabrata Nutrition 0.000 claims abstract description 16
- 244000105624 Arachis hypogaea Species 0.000 claims abstract description 16
- 235000010777 Arachis hypogaea Nutrition 0.000 claims abstract description 16
- 235000018262 Arachis monticola Nutrition 0.000 claims abstract description 16
- 235000020232 peanut Nutrition 0.000 claims abstract description 16
- 239000011573 trace mineral Substances 0.000 claims abstract description 16
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 16
- 241001465754 Metazoa Species 0.000 claims abstract description 13
- 235000019764 Soybean Meal Nutrition 0.000 claims abstract description 12
- 210000003608 fece Anatomy 0.000 claims abstract description 12
- 239000010871 livestock manure Substances 0.000 claims abstract description 12
- 239000004455 soybean meal Substances 0.000 claims abstract description 12
- 241000894006 Bacteria Species 0.000 claims abstract description 11
- 108091005804 Peptidases Proteins 0.000 claims abstract description 10
- 239000004365 Protease Substances 0.000 claims abstract description 10
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 claims abstract description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004202 carbamide Substances 0.000 claims abstract description 10
- 241000195649 Chlorella <Chlorellales> Species 0.000 claims abstract description 9
- 241000209046 Pennisetum Species 0.000 claims abstract description 9
- 239000002609 medium Substances 0.000 claims abstract description 4
- 239000000047 product Substances 0.000 claims description 35
- 239000002689 soil Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000009264 composting Methods 0.000 claims description 11
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 10
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 239000002054 inoculum Substances 0.000 claims description 10
- 230000003381 solubilizing effect Effects 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 239000011591 potassium Substances 0.000 claims description 7
- 229910052700 potassium Inorganic materials 0.000 claims description 7
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 6
- 241000186361 Actinobacteria <class> Species 0.000 claims description 5
- 241000194108 Bacillus licheniformis Species 0.000 claims description 5
- KNQKRMVYLDOGCT-UHFFFAOYSA-N ammonium phosphate sulfate Chemical compound [NH4+].[NH4+].OP(O)([O-])=O.OS([O-])(=O)=O KNQKRMVYLDOGCT-UHFFFAOYSA-N 0.000 claims description 5
- 229910021538 borax Inorganic materials 0.000 claims description 5
- 239000011790 ferrous sulphate Substances 0.000 claims description 5
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 5
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 5
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 5
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 5
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 5
- 229940099596 manganese sulfate Drugs 0.000 claims description 5
- 239000011702 manganese sulphate Substances 0.000 claims description 5
- 235000007079 manganese sulphate Nutrition 0.000 claims description 5
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000004328 sodium tetraborate Substances 0.000 claims description 5
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 5
- 229960001763 zinc sulfate Drugs 0.000 claims description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000005416 organic matter Substances 0.000 description 6
- 230000035699 permeability Effects 0.000 description 6
- 235000019750 Crude protein Nutrition 0.000 description 5
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 5
- 239000004472 Lysine Substances 0.000 description 5
- 235000018102 proteins Nutrition 0.000 description 5
- 102000004169 proteins and genes Human genes 0.000 description 5
- 108090000623 proteins and genes Proteins 0.000 description 5
- 235000010149 Brassica rapa subsp chinensis Nutrition 0.000 description 4
- 235000000536 Brassica rapa subsp pekinensis Nutrition 0.000 description 4
- 241000499436 Brassica rapa subsp. pekinensis Species 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- 239000004475 Arginine Substances 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- ODKSFYDXXFIFQN-UHFFFAOYSA-N arginine Natural products OC(=O)C(N)CCCNC(N)=N ODKSFYDXXFIFQN-UHFFFAOYSA-N 0.000 description 3
- 230000012010 growth Effects 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003809 water extraction Methods 0.000 description 3
- 102000006395 Globulins Human genes 0.000 description 2
- 108010044091 Globulins Proteins 0.000 description 2
- 244000062720 Pennisetum compressum Species 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002361 compost Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 235000013601 eggs Nutrition 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002688 soil aggregate Substances 0.000 description 2
- 102000009027 Albumins Human genes 0.000 description 1
- 108010088751 Albumins Proteins 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 240000009108 Chlorella vulgaris Species 0.000 description 1
- 235000007089 Chlorella vulgaris Nutrition 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- FFEARJCKVFRZRR-BYPYZUCNSA-N L-methionine Chemical compound CSCC[C@H](N)C(O)=O FFEARJCKVFRZRR-BYPYZUCNSA-N 0.000 description 1
- 108010064851 Plant Proteins Proteins 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 235000021120 animal protein Nutrition 0.000 description 1
- 230000037208 balanced nutrition Effects 0.000 description 1
- 235000019046 balanced nutrition Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 201000006549 dyspepsia Diseases 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 208000024798 heartburn Diseases 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229930182817 methionine Natural products 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 208000030212 nutrition disease Diseases 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 235000021118 plant-derived protein Nutrition 0.000 description 1
- -1 salt ions Chemical class 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- 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
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
- C05F11/08—Organic fertilisers containing added bacterial cultures, mycelia or the like
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F5/00—Fertilisers from distillery wastes, molasses, vinasses, sugar plant or similar wastes or residues, e.g. from waste originating from industrial processing of raw material of agricultural origin or derived products thereof
- C05F5/002—Solid waste from mechanical processing of material, e.g. seed coats, olive pits, almond shells, fruit residue, rice hulls
-
- 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
- C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Botany (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Fertilizers (AREA)
Abstract
The invention provides an amino acid liquid fertilizer for improving saline-alkali land and a preparation method thereof, belonging to the technical field of saline-alkali land improvement, and comprising the following raw materials in parts by weight: 15-20 parts of peanut bran, 20-30 parts of animal manure, 5-10 parts of Chlorella, 3-5 parts of soybean meal, 3-5 parts of Pennisetum, 0.5-2 parts of fermentation bacteria, 1-3 parts of protease, 0.5-1 part of medium and trace elements and 1-3 parts of urea. The preparation method comprises the following steps: (1) preparing anaerobic fermentation products; (2) preparation of aerobic fermentation products; (3) preparation of enzymolysis products; (4) evenly mixing the enzymolysis product with the medium and trace elements and urea to obtain the amino acid liquid fertilizer.
Description
DESCRIPTION LU504089
AMINO ACID LIQUID FERTILIZER FOR IMPROVING SALINE-ALKALI LAND
AND PREPARATION METHOD THEREOF
The invention belongs to the technical field of saline-alkali land improvement, in particular to an amino acid liquid fertilizer for improving saline-alkali land and a preparation method thereof.
Saline-alkali land is a common land type. Because the soil contains a lot of salt and alkaline components, the soil quality is poor and it is difficult to grow crops. Saline-alkali soil is formed under certain natural conditions, and the essence of its formation is mainly the horizontal and vertical redistribution of various soluble salts on the ground, so that salts gradually accumulate on the surface of soil in salt-collecting areas. The main factors affecting the formation of saline-alkali soil are climatic conditions, geographical conditions, soil texture, groundwater, rivers and paddling, and improper farming management. Generally, saline-alkali soil is easy to stagnate water, with poor air permeability and water permeability, slow land temperature rise, low enzyme activity in soil, slow transformation of organic matter, poor soil fertility, reduced air permeability and water permeability, and serious hardening, which not only hinders engineering construction, but also causes difficulties in farming and seriously hinders crop growth.
Because of the high concentration of salt ions in soil solution, the osmotic pressure of soil solution is higher than that of plant cell sap, which will cause dehydration of plant roots, thus inhibiting their growth and development. In addition, high concentration of salt will interfere with the absorption of nutrients by crops, destroy the absorption of other ions by crops, and cause crop nutrition disorder. At the same time, some ions in soil solution will have toxic effects on plant growth and harm plant tissues. Traditionel504089 methods for improving saline-alkali land include irrigation of desalinated water and application of lime, but these methods have the disadvantages of high cost and slow effect.
Therefore, how to effectively improve saline-alkali land to make it beneficial to plant growth is an urgent technical problem for technicians in this field.
In order to solve the above technical problems, the invention provides an amino acid liquid fertilizer for improving saline-alkali land and a preparation method thereof.
In order to achieve the above objectives, the present invention provides the following technical scheme:
An amino acid liquid fertilizer for improving saline-alkali land comprises the following raw materials in parts by weight: 15-20 parts of peanut bran, 20-30 parts of animal manure, 5-10 parts of Chlorella, 3-5 parts of soybean meal, 3-5 parts of Pennisetum, 0.5-2 parts of fermentation agent, 1-3 parts of protease, 0.5-1 part of trace elements and 1-3 parts of urea.
The invention has the beneficial effects that animal manure and peanut bran are used as main raw materials, and are rich in animal protein and plant protein; the product obtained after fermentation and hydrolysis contains a variety of organic chelates, which can chelate metal elements in saline-alkali soil; in addition, the invention contains a large number of beneficial microorganisms and amino acids, which can effectively adjust the balance of microorganisms and organic matter in soil, decompose inorganic components such as minerals in soil, effectively improve soil, The special effect of improving crop stress resistance, improving crop productivity, and promoting the release of organic matter in soil, improving the physical and chemical structure of salinized soil and increasing soil aggregates and permeability. In addition, the peanut bran of the present invention has a high crude protein content, and is often used as concentrated feed for cattle and horses. Its crude protein content is about 44%, and the extracted meal is about 47%, which contains a large number of high-quality globulin and albumihU504089 including globulin 63% and albumin 7%, and the arginine content is particularly high, while lysine content is 1.35% and methionine content is 0.39%. According to the invention, peanut bran is used as a raw material for preparing amino acid fertilizer, arginine and lysine in the peanut bran are fully utilized, and the peanut bran is rich in phosphorus and potassium, comprehensive in nutrition and balanced in nutrients. In addition, the soybean meal in the invention is the residue obtained after soybean oil pressing, and the protein content of soybean is the highest among all plants, which can reach about 36%. After oil pressing, the protein content of soybean meal reaches about 45%, and the lysine content reaches about 5%, which is a high-quality feed raw material.
In addition, Pennisetum japonicum is a typical high-protein forage grass, which is also rich in lysine. The content of crude protein in its dry matter is as high as 18.46%, and the content of crude protein is much higher than that of corn seeds by 8.5%, which is equivalent to the crude protein content of 8-10 mu of corn per mu. At the same time,
Chlorella is added as a raw material to further balance the ratio of lysine to arginine in peanut bran and enrich the types of amino acids in the product.
Preferably, the medium and trace elements comprise the following raw materials in parts by weight: 1-3 parts of ammonium phosphate sulfate, 4-8 parts of ferrous sulfate, 2-4 parts of manganese sulfate, 2-4 parts of magnesium sulfate, 1-3 parts of zinc sulfate, 3-7 parts of borax and 0.5-1 part of calcium nitrate.
Preferably, the fermentation inoculum comprises the following raw materials in parts by weight: 0.5-1 part of potassium solubilizing bacteria, 0.5-1 part of phosphorus solubilizing bacteria, 2-5 parts of yeast, 1-2 parts of Bacillus licheniformis and 1-2 parts of actinomycetes.
The beneficial effects are as follows: the fermentation inoculum in the invention can fully decompose the potassium element and phosphorus element in the raw materials, so as to generate micromolecule compounds which are easy to be absorbed by plants; meanwhile, the yeast in the invention can preliminarily decompose the macromolecular protein in the raw materials, so that the subsequent protease can fully hydrolyze protein.
A preparation method of amino acid liquid fertilizer for improving saline-alkali larid)504089 comprises the following steps: (1) mixing peanut bran, animal manure, Chlorella, soybean meal and Pennisetum, and performing anaerobic composting treatment to obtain an anaerobic fermentation product; (2) uniformly mixing the anaerobic fermentation product with the fermentation inoculum, and performing aerobic fermentation to obtain an aerobic fermentation product; (3) mixing the aerobic fermentation product with five times the mass of water, then adding the protease for enzymolysis, filtering after enzymolysis, collecting filtrate, extracting the obtained filter residue with five times the mass of water, performing secondary filtration, combining the two filtrates and concentrating to obtain the enzymolysis product; (4) evenly mixing the enzymolysis product with the medium and trace elements and urea to obtain the amino acid liquid fertilizer.
Preferably, the anaerobic composting process in step (1) includes the following steps: firstly, anaerobic composting is fermented at 35-45°C for 7-8h, then anaerobic composting is fermented at 55-65°C for 9-12h, and finally, it is heated to 80-90°C for 0.5-1h, and then it is naturally cooled to normal temperature.
Preferably, the aerobic fermentation temperature in step (2) is 35-55°C and the time is 48-72h.
Preferably, the enzymolysis temperature in step (3) is 45-50°C and the time is 18-24h.
Preferably, the concentration temperature in step (3) is 55-65 °C, and the concentration is 0.3-0.5 times of the original volume.
The invention has the advantages that firstly, the flora existing in the animal manure is used for anaerobic fermentation, and the animal manure and other plant raw materials are preliminarily decomposed, wherein, in the fermentation process of heating to 55-65 °C, the eggs and various harmful strains existing in the raw materials can be killed, thus ensuring that microorganisms in the fertilizer will not cause harm to crops and soil.
Furthermore, in the aerobic fermentation process of the invention, the strains carV504089 decompose protein and other macromolecular organic substances in the raw materials, so as to preliminarily generate small molecular proteins and other compounds which are easily absorbed by plants. Finally, the invention further hydrolyzes the aerobic fermentation product by protease, so that the macromolecular protein in it can be fully decomposed into amino acids.
Compared with the prior art, the invention has the following advantages and technical effects:
According to the invention, animal manure is mixed with plant raw materials such as peanut bran, soybean meal, Pennisetum japonicum, Chlorella vulgaris and the like, and an amino acid product is obtained after fermentation and hydrolysis, and further, by combining amino acids, microbial inoculants, organic acids and trace elements, the purposes of promoting plant growth, improving soil quality and reducing salinity can be achieved simultaneously. In addition, the invention also adopts high-temperature and high-pressure sterilization treatment to kill eggs and harmful strains in animal and plant raw materials, which can make the amino acid liquid fertilizer more stable and lasting.
Decomposition of inorganic components such as minerals in soil can effectively improve soil, promote the release of organic matter in soil, improve the physical and chemical structure of salinized soil, and increase soil aggregates and permeability. The amino acid liquid fertilizer provided by the invention can greatly improve soil conditions and increase crop yield.
DESCRIPTION OF THE INVENTION LU504089
In the following, the technical scheme in the embodiment of the invention will be clearly and completely described with reference to the attached drawings. Obviously, the described embodiment is only a part of the embodiment of the invention, but not the whole embodiment. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the field without creative labor belong to the scope of protection of the present invention.
In order to make the above objects, features and advantages of the present invention more obvious and easier to understand, the present invention will be further described in detail with the attached drawings and specific embodiments.
Example 1
A preparation method of amino acid liquid fertilizer for improving saline-alkali land comprises the following steps: (1) mixing 17 parts of peanut bran, 25 parts of animal manure, 7 parts of Chlorella, 4 parts of soybean meal and 4 parts of Pennisetum, anaerobic composting fermentation at 40°C for 7 hours, then anaerobic composting fermentation at 60°C for 10 hours, finally heating to 85°C for 45min minutes, and then naturally cooling to normal temperature to obtain anaerobic fermentation products; (2) adding 1.2 parts of fermentation agent into the anaerobic fermentation product, uniformly mixing, and then performing aerobic fermentation at 42 °C for 60h to obtain the aerobic fermentation product;
Wherein, the fermentation inoculum consists of the following raw materials in parts by weight: 0.7 parts of potassium solubilizing bacteria, 0.7 parts of phosphorus solubilizing bacteria, 3 parts of yeast, 1.5 parts of Bacillus licheniformis and 1.5 parts of actinomycetes; (3) mixing the aerobic fermentation product with five times the mass of water, then adding two parts of protease, carrying out enzymolysis at 50 °C for 20 hours, filtering after the enzymolysis, collecting filtrate, then carrying out water extraction on the obtained filter residue with five times the mass of water, carrying out secondary filtration,
combining the two filtrates, and concentrating to 0.4 times the original volume at 60 °C tdJ504089 obtain an enzymolysis product; (4) evenly mixing the enzymolysis product with 0.7 part of medium and trace elements and 2 parts of urea to obtain amino acid liquid fertilizer;
Wherein, the medium and trace elements are composed of the following raw materials in parts by weight: 2 parts of ammonium phosphate sulfate, 6 parts of ferrous sulfate, 3 parts of manganese sulfate, 3 parts of magnesium sulfate, 2 parts of zinc sulfate, 4 parts of borax and 0.7 part of calcium nitrate.
Example 2
A preparation method of amino acid liquid fertilizer for improving saline-alkali land comprises the following steps: (1) mixing 15 parts of peanut bran, 30 parts of animal manure, 5 parts of Chlorella, 3 parts of soybean meal and 5 parts of Pennisetum, anaerobic composting and fermentation at 35 °C for 8 hours, then heating to 65 °C for 9 hours, finally heating to 90 °C for high temperature treatment for 0.5h hours, and naturally cooling to normal temperature to obtain an anaerobic fermentation product; (2) adding 0.5 part of fermentation agent into the anaerobic fermentation product, uniformly mixing, and then performing aerobic fermentation at 55 °C for 48 hours to obtain the aerobic fermentation product;
Wherein, the fermentation inoculum consists of the following raw materials in parts by weight: 0.5 part of potassium solubilizing bacteria, 1 part of phosphorus solubilizing bacteria, 2 parts of yeast, 1 part of Bacillus licheniformis and 2 parts of actinomycetes; (3) mixing the aerobic fermentation product with five times the mass of water, then adding one part of protease, carrying out enzymolysis at 45 °C for 24 hours, filtering after the enzymolysis, collecting filtrate, then carrying out water extraction on the obtained filter residue with five times the mass of water, carrying out secondary filtration, combining the two filtrates, and concentrating to 0.3 times the original volume at 65 °C to obtain an enzymolysis product; (4) evenly mixing the enzymolysis product with 0.5 part of medium and trace elements and 3 parts of urea to obtain amino acid liquid fertilizer;
Wherein, the medium and trace elements are composed of the following ralW504089 materials in parts by weight: 1 part of ammonium phosphate sulfate, 4 parts of ferrous sulfate, 4 parts of manganese sulfate, 4 parts of magnesium sulfate, 1 part of zinc sulfate, 7 parts of borax and 0.5 part of calcium nitrate.
Example 3
A preparation method of amino acid liquid fertilizer for improving saline-alkali land comprises the following steps: (1) after mixing 20 parts of peanut bran, 20 parts of animal manure, 10 parts of
Chlorella, 5 parts of soybean meal and 3 parts of Pennisetum, anaerobic compost fermentation is carried out at 45 °C for 7 hours, then anaerobic compost fermentation is carried out at 55 °C for 12 hours, and finally anaerobic fermentation products are obtained after high-temperature treatment at 80 °C for 1 hour; (2) adding 2 parts of fermentation inoculum into the anaerobic fermentation product, uniformly mixing, and then performing aerobic fermentation at 35 °C for 72 hours to obtain the aerobic fermentation product;
Wherein, the fermentation inoculum consists of the following raw materials in parts by weight: 1 part of potassium solubilizing bacteria, 0.5 part of phosphorus solubilizing bacteria, 5 parts of yeast, 2 parts of Bacillus licheniformis and 1 part of actinomycetes; (3) mixing the aerobic fermentation product with five times the mass of water, then adding three parts of protease, carrying out enzymolysis at 45 °C for 18 hours, filtering after the enzymolysis, collecting filtrate, then carrying out water extraction on the obtained filter residue with five times the mass of water, carrying out secondary filtration, combining the two filtrates, and concentrating to 0.5 times the original volume at 55 °C to obtain an enzymolysis product; (4) evenly mixing the enzymolysis product with 1 part of medium and trace elements and 1 part of urea to obtain the amino acid liquid fertilizer;
Wherein, the medium and trace elements are composed of the following raw materials in parts by weight: 3 parts of ammonium phosphate sulfate, 8 parts of ferrous sulfate, 2 parts of manganese sulfate, 2 parts of magnesium sulfate, 3 parts of zinc sulfate, 3 parts of borax and 1 part of calcium nitrate.
Comparative example 1 LU504089
A preparation method of amino acid liquid fertilizer for improving saline-alkali land is different from Example 1 in that the raw materials in step (1) do not include peanut bran.
Comparative example 2
A preparation method of amino acid liquid fertilizer for improving saline-alkali land is different from Embodiment 1 in that the raw materials in Step (1) do not include soybean meal and Pennisetum.
Comparative example 3
A preparation method of amino acid liquid fertilizer for improving saline-alkali land is different from that of Example 1 in that it does not include step (3), and in step (4), fermentation products are directly mixed with medium and trace elements and urea.
The amino acid liquid fertilizers prepared in Examples 1-3 and Comparative
Examples 1-3 were applied to the same six saline-alkali lands. The application method was as follows: the amino acid liquid fertilizers were diluted by 100-200 times with water, and the diluted solution was 50-60kg per mu. The average salt content, pH value and average organic matter increase of six saline-alkali soils were tested, and the results are shown in Table 1.
Table 1 LU504089
Decrease of pH value Average average salt organic matter content(g/kg) increase(mg/kg)
Comparativ 1.8 8.7 18
Fe
Comparativ 2.1 16
Fe
Comparativ 2.4 8.8 11
FA
Then, the same amount of Chinese cabbage was planted in six saline-alkali lands, and the nitrate content was detected after the Chinese cabbage grew up. The nitrate content in six saline-alkali lands was less than 1400mg/kg in Examples 1-3, which reached the edible standard, indicating that the fertilizer with balanced nutrition special for saline-alkali lands of the invention can avoid the pollution of inorganic salts and effectively control the saline-alkali lands. However, in Comparative Examples 1-3, the nitrate contents were all above 1700mg/kg, and yellow and heartburn occurred during the growth of Chinese cabbage, which indicated that the nutrients in the fertilizer obtained in Comparative Examples 1-3 were not balanced and could not provide the required nutrients for Chinese cabbage.
The above is only the preferred embodiment of this application, but the protectid/504089 scope of this application is not limited to this. Any change or replacement that can be easily thought of by a person familiar with this technical field within the technical scope disclosed in this application should be included in the protection scope of this application.
Therefore, the protection scope of this application should be based on the protection scope of the claims.
Claims (8)
1. An amino acid liquid fertilizer for improving saline-alkali soil, which is characterized by comprising the following raw materials in parts by weight: 15-20 parts of peanut bran, 20-30 parts of animal manure, 5-10 parts of Chlorella, 3-5 parts of soybean meal, 3-5 parts of Pennisetum, 0.5-2 parts of fermentation agent, 1-3 parts of protease, 0.5-1 part of trace elements and 1-3 parts of urea.
2. The amino acid liquid fertilizer for improving saline-alkali land according to claim 1, characterized in that the medium and trace elements comprise the following raw materials in parts by weight: ammonium phosphate sulfate 1-3, ferrous sulfate 4-8, manganese sulfate 2-4, magnesium sulfate 2-4, zinc sulfate 1-3, borax 3-7 and calcium nitrate 0.5-1.
3. The amino acid liquid fertilizer for improving saline-alkali land according to claim 1, characterized in that the fermentation inoculum comprises the following raw materials in parts by weight: 0.5-1 part of potassium solubilizing bacteria, 0.5-1 part of phosphorus solubilizing bacteria, 2-5 parts of yeast, 1-2 parts of Bacillus licheniformis and 1-2 parts of actinomycetes.
4. A preparation method of the amino acid liquid fertilizer for improving saline-alkali land according to claims 1-3, which comprises the following steps: (1) mixing peanut bran, animal manure, Chlorella, soybean meal and Pennisetum, and performing anaerobic composting treatment to obtain an anaerobic fermentation product; (2) uniformly mixing the anaerobic fermentation product with the fermentation inoculum, and performing aerobic fermentation to obtain an aerobic fermentation product; (3) mixing the aerobic fermentation product with five times the mass of water, then adding the protease for enzymolysis, filtering after enzymolysis, collecting filtrate,
extracting the obtained filter residue with five times the mass of water, performing/504089 secondary filtration, combining the two filtrates and concentrating to obtain the enzymolysis product; (4) evenly mixing the enzymolysis product with the medium and trace elements and urea to obtain the amino acid liquid fertilizer.
5. The preparation method of amino acid liquid fertilizer for improving saline-alkali land according to claim 4, characterized in that the anaerobic composting process in step (1) comprises the following steps: firstly, anaerobic composting fermentation is carried out at 35-45°C for 7-8 hours, then anaerobic composting fermentation is carried out at 55-65°C for 9-12 hours, and finally the temperature is raised to 80-90°C for 0.5-1 hour.
6. The preparation method of amino acid liquid fertilizer for improving saline-alkali land according to claim 4, characterized in that the aerobic fermentation temperature in step (2) is 35-55°C and the time is 48-72h.
7. The preparation method of amino acid liquid fertilizer for improving saline-alkali land according to claim 4, characterized in that the enzymolysis temperature in step (3) is 45-50°C for 18-24h.
8. The preparation method of amino acid liquid fertilizer for improving saline-alkali land according to claim 4, characterized in that the concentration temperature in step (3) is 55-65°C, and the concentration is 0.3-0.5 times of the original volume.
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