CN110885278A - Novel fertilizer synergist and preparation method thereof - Google Patents
Novel fertilizer synergist and preparation method thereof Download PDFInfo
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- CN110885278A CN110885278A CN201910844156.0A CN201910844156A CN110885278A CN 110885278 A CN110885278 A CN 110885278A CN 201910844156 A CN201910844156 A CN 201910844156A CN 110885278 A CN110885278 A CN 110885278A
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The invention discloses a novel fertilizer synergist and a preparation method thereof, belonging to the technical field of fertilizer preparation. The novel fertilizer synergist comprises the following raw materials: the synergist comprises a urease inhibitor, a nitrification inhibitor, a composite biological agent and a water-retaining agent, and can reduce the loss of effective components in the fertilizer, improve the utilization rate of the fertilizer, improve the soil environment and improve the quality of crops.
Description
Technical Field
The invention relates to the field of fertilizer processing, in particular to a novel fertilizer synergist and a preparation method thereof.
Background
Chemical fertilizers are essential production materials in agricultural production and are 'grains' of grains. Therefore, since the country was built, in order to solve the problem of grain production and make people eat well, China actively promotes the development of the fertilizer industry, and by introducing foreign fertilizer production enterprises and learning the advanced production technology thereof, a batch of nationally, privately and privately private fertilizer enterprises with advanced production technology and management capability are created, thereby playing a great role in promoting the development of the fertilizer industry in China. The healthy development of the fertilizer industry is the foundation for guaranteeing the food safety in China and is a foundation stone for the whole agricultural development. However, with the promotion of consumption upgrading and agricultural reform, new requirements for increasing the yield of grains from pure production to quality and efficiency improvement are put forward, and the development of the fertilizer industry meets new opportunities and challenges. With the development of facility agriculture, water-soluble fertilizers, foliar fertilizers and the like become new product increasing points of fertilizers, and with the popularization of water and fertilizer integration and the implementation of 'two-reduction-one control' of the department of agriculture, the problems of soil hardening, pollution and the like caused by simple substance fertilizers also prompt manufacturers to start transforming and developing novel efficient fertilizers such as compound fertilizers, controlled release fertilizers, biological fertilizers, water-soluble fertilizers, foliar fertilizers and the like. With the improvement of the living standard of people and the enhancement of environmental awareness, the extensive agricultural production mode can not meet the requirements of social progress. The state starts to vigorously push forward a low-carbon emission-reduction fertilization mode to develop modern agriculture, and the fertilizer products are required to be changed to compounding, specialization and refinement so as to meet the requirements of quality improvement and efficiency improvement of agricultural products.
At present, the fertilizer industry is in a key period of revolution, disappearance of growth dividends of external grains, enhancement of environmental protection consciousness, upgrading of consumption, change of policies, low price competition of internal manufacturers, insufficient research and development strength, lag of traditional sales channels, change of production modes and the like are all practical problems which have to be faced by the whole fertilizer industry. However, because some unreasonable factors exist in the using process, the production performance of the fertilizer is not effectively exerted, so that the soil fertility is reduced, the fertilizer utilization rate is reduced, and the ecological environment is damaged. At present, the scientific fertilization level of China is not high as a whole, blind fertilization still exists in partial areas, fertilizer resources are seriously wasted, the agricultural production cost is increased, the benefit is reduced, the quality of agricultural products is reduced, the ecological environment is polluted, the soil quality is accelerated to decline, and the continuous yield increase of grains, the quality improvement and efficiency improvement of agriculture, the cost saving and income increase of farmers and the quality safety of agricultural products are directly influenced. Therefore, the establishment of a scientific fertilization system is accelerated, the utilization rate of fertilizer resources is improved, and the method is one of key measures for the sustainable development of agriculture in China and is concrete embodiment for constructing a conservation-oriented society.
Disclosure of Invention
The invention aims to provide a novel fertilizer synergist and a preparation method thereof, and aims to solve the problems of reduced soil fertility, reduced fertilizer utilization rate, environmental pollution, reduced quality of agricultural products and reduced benefit. The synergist can reduce the loss of effective components in the fertilizer, improve the utilization rate of the fertilizer, improve the soil environment and improve the crop quality.
In order to solve the technical problems, the invention adopts the following technical scheme:
a novel fertilizer synergist comprises the following raw materials in parts by weight: 2.1 to 6.5 portions of urease inhibitor, 1.9 to 5.3 portions of nitrification inhibitor, 1.7 to 5.3 portions of compound microbial agent and 0.8 to 2.3 portions of water retention agent.
Preferably, the novel fertilizer synergist comprises the following raw materials in parts by weight: 2.5-5.9 parts of urease inhibitor, 2.3-4.7 parts of nitrification inhibitor, 1.8-3.5 parts of composite microbial agent and 1.1-2.0 parts of water-retaining agent.
Preferably, the novel fertilizer synergist comprises the following raw materials in parts by weight: 3.3-5.1 parts of urease inhibitor, 2.8-3.9 parts of nitrification inhibitor, 2.4-2.9 parts of composite microbial agent and 1.4-1.8 parts of water-retaining agent.
Preferably, the urease inhibitor comprises hexamethylphosphoric triamide and copper sulfate.
Preferably, the nitrification inhibitor comprises one of dicyandiamide, 3, 4-methylpyridine phosphate, 2-chloro-6-trichloromethylpyridine and acetylene.
Preferably, the compound microbial agent comprises rhizobia, bacillus, azotobacter chroococcum, rhizopus, chaetomium, phosphate-solubilizing potassium-solubilizing bacteria and silicate bacteria.
Still preferably, the complex microbial agent comprises: 0.1 to 0.7 portion of rhizobium, 0.2 to 0.5 portion of bacillus, 0.3 to 0.7 portion of azotobacter chroococcum, 0.1 to 0.8 portion of rhizopus, 0.3 to 0.7 portion of chaetomium, 0.3 to 1 portion of phosphate-solubilizing potassium-solubilizing bacteria and 0.4 to 0.9 portion of silicate bacteria.
Preferably, the water retaining agent is a starch water retaining agent.
A preparation method of a novel fertilizer synergist comprises the following steps:
s1: uniformly mixing the microbial agents in parts by weight for later use;
s2: adding a urease inhibitor, a nitrification inhibitor, a biological activating enzyme, a water-retaining agent and the microbial agent prepared in the step S1 into a certain amount of water according to parts by weight, and uniformly stirring to obtain a synergist mixture;
s3: and (5) sieving the synergist mixture obtained in the step (S2) by a sieve of 10-30 meshes, and drying to obtain the novel fertilizer synergist.
The invention has the following beneficial effects:
(1) the novel fertilizer synergist has a good sustained and controlled release effect, can keep the fertilizer efficiency for a long time, improves the utilization rate of the fertilizer, and promotes the growth of crops.
(2) Compared with the flower fertilizer without the fertilizer synergist, the fertilizer synergist disclosed by the invention can be applied to the flower fertilizer and applied to the planting process of the cumquats, the plant height of the potted cumquats can be increased by at least 64.17% by adding the fertilizer synergist, and the fruit setting rate of the potted cumquats can be increased by at least 55.40%.
(3) The fertilizer synergist disclosed by the invention is applied to the special fertilizer for eucalyptus, and compared with the special fertilizer for eucalyptus without the fertilizer synergist, the fertilizer synergist can at least improve the average tree height by 42.23% and at least improve the average breast diameter by 29.60%.
(4) The fertilizer synergist can be fully utilized when being added into the fertilizer, realizes automatic degradation, is green and environment-friendly, and does not pollute the environment.
Detailed Description
In order that the invention may be better understood, reference will now be made in detail to the following description taken in conjunction with the accompanying drawings. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
A novel fertilizer synergist comprises the following raw materials in parts by weight: 2.1-6.5 parts of urease inhibitor, 1.9-5.3 parts of nitrification inhibitor, 1.7-5.3 parts of composite microbial agent and 0.8-2.3 parts of water-retaining agent.
The urease inhibitor comprises hexamethylphosphoric triamide and copper sulfate.
The nitrification inhibitor comprises one of dicyandiamide, 3, 4-methylpyridine phosphate, 2-chloro-6-trichloromethylpyridine and acetylene.
The compound microbial agent comprises: 0.1-0.7 part of rhizobium, 0.2-0.5 part of bacillus, 0.3-0.7 part of azotobacter chroococcum, 0.1-0.8 part of rhizopus, 0.3-0.7 part of chaetomium, 0.3-1 part of phosphate-solubilizing potassium-solubilizing bacteria and 0.4-0.9 part of silicate bacteria.
The water-retaining agent is a starch water-retaining agent.
A preparation method of a novel fertilizer synergist comprises the following steps:
s1: uniformly mixing the microbial agents in parts by weight for later use;
s2: adding 35-100 ml of water into the urease inhibitor, the nitrification inhibitor, the biological activating enzyme, the water-retaining agent and the microbial agent prepared in the step S1 according to the parts by weight, and uniformly stirring to obtain a synergist mixture;
s3: and (5) sieving the synergist mixture obtained in the step (S2) by a sieve of 10-30 meshes, and drying to obtain the novel fertilizer synergist.
The technical principle of the invention is as follows: the urease inhibitor is a reducing agent, so that the redox condition of the micro-ecological environment in the soil can be changed, the activity of soil urease is reduced, the water solubility of urea is reduced, and the hydrolysis rate of the urea is slowed down; hexamethylphosphoric triamide has strong hygroscopicity, certain bioactivity and antibacterial effect; the copper sulfate has a certain sterilization effect, can inhibit the propagation of harmful bacteria, can improve the stability of chlorophyll and promotes the growth of crops; after entering the soil, the nitrification inhibitor can inhibit nitrification, nitrosation and denitrification in the soil, and the nitrogen fertilizer can be absorbed by crops for a longer time, so that the fertilizer efficiency is improved; the rhizobium has strong nitrogen fixation capacity and can secrete some organic nitrogen into soil, so that the soil fertility can be improved, and humus can be increased; the bacillus has strong moisture-keeping capability, can form natural material polyglutamic acid with extremely excellent strength, is a soil protective film, prevents fertilizer nutrients and water loss, synthesizes various organic acids, enzymes, physiological activity and other substances and other easily utilized nutrients, and inhibits the growth and the propagation of harmful microorganisms such as harmful bacteria, pathogenic bacteria and the like; the azotobacter chroococcum has strong nitrogen fixation capacity, can secrete auxin, promotes the growth of plants and the development of fruits, and can improve the yield of crops when being applied to soil; the rhizopus can produce organic acids such as fumaric acid, lactic acid and the like, and can also produce aromatic ester substances to promote the growth of crops; chaetomium bacteria has antagonism to various plant pathogenic bacteria, and metabolites thereof have better growth promotion effect to various plants and can enhance disease resistance and drought resistance; the phosphate-dissolving and potassium-dissolving bacteria can decompose insoluble inorganic minerals of aluminosilicate such as potassium feldspar and apatite; the indissolvable nutrient elements such as potassium, phosphorus, magnesium and the like are promoted to be converted into soluble nutrients, and the content of the quick-acting nutrients in the soil is increased; promoting the growth and development of crops and improving the yield; on one hand, the silicate bacteria can dissolve out insoluble potassium and phosphorus of minerals such as feldspar, mica, apatite, ground phosphate rock and the like containing potassium in soil to be utilized by crops and thalli per se due to organic acid substances generated by growth metabolism of the silicate bacteria, the potassium rich in the thalli is absorbed by the crops after the bacteria die, on the other hand, substances such as hormone, amino acid, polysaccharide and the like generated by the silicate bacteria promote the growth of the crops, and meanwhile, the bacteria are propagated in the soil to inhibit the growth of other pathogenic bacteria, so that the silicate bacteria have good effects on the growth of the crops, the yield improvement and the quality improvement. The starch water-retaining agent can be automatically degraded, does not cause harm to the environment, can retain water, keep warm and maintain fertilizer, can improve the soil structure environment, can provide a certain amount of water for crops, and is beneficial to the growth of the crops.
Example 1
A novel fertilizer synergist comprises the following raw materials in parts by weight: 2.1 parts of urease inhibitor, 1.9 parts of nitrification inhibitor, 1.7 parts of compound microbial agent and 0.8 part of water-retaining agent.
The urease inhibitor comprises 1.8 parts of hexamethylphosphoric triamide and 0.3 part of copper sulfate.
The nitrification inhibitor comprises 0.8 part of dicyandiamide, 0.4 part of 3, 4-methylpyridine phosphate, 0.3 part of 2-chloro-6-trichloromethylpyridine and 0.4 part of acetylene.
The compound microbial agent comprises: 0.1 part of rhizobium, 0.2 part of bacillus, 0.3 part of azotobacter chroococcum, 0.1 part of rhizopus, 0.3 part of chaetomium, 0.3 part of phosphate and potassium solubilizing bacteria and 0.4 part of silicate bacteria.
The water-retaining agent is a starch water-retaining agent.
A preparation method of a novel fertilizer synergist comprises the following steps:
s1: uniformly mixing the microbial agents in parts by weight for later use;
s2: adding 45ml of water into the urease inhibitor, the nitrification inhibitor, the biological activating enzyme, the water-retaining agent and the microbial agent prepared in the step S1 according to the parts by weight, and uniformly stirring to obtain a synergist mixture;
s3: and (5) sieving the synergist mixture obtained in the step (S2) by a 10-mesh sieve, and drying to obtain the novel fertilizer synergist.
Example 2
A novel fertilizer synergist comprises the following raw materials in parts by weight: 4.7 parts of urease inhibitor, 3.4 parts of nitrification inhibitor, 3.3 parts of compound microbial agent and 1.2 parts of water-retaining agent.
The urease inhibitor comprises 2.1 parts of hexamethylphosphoric triamide and 1.6 parts of copper sulfate.
The nitrification inhibitor comprises 1.3 parts of dicyandiamide, 0.9 part of 3, 4-methylpyridine phosphate, 0.5 part of 2-chloro-6-trichloromethylpyridine and 0.7 part of acetylene.
The compound microbial agent comprises: 0.3 part of rhizobium, 0.3 part of bacillus, 0.5 part of azotobacter chroococcum, 0.4 part of rhizopus, 0.5 part of chaetomium, 0.6 part of phosphate and potassium solubilizing bacteria and 0.7 part of silicate bacteria.
The water-retaining agent is a starch water-retaining agent.
A preparation method of a novel fertilizer synergist comprises the following steps:
s1: uniformly mixing the microbial agents in parts by weight for later use;
s2: adding 75ml of water into the urease inhibitor, the nitrification inhibitor, the biological activating enzyme, the water-retaining agent and the microbial agent prepared in the step S1 according to the parts by weight, and uniformly stirring to obtain a synergist mixture;
s3: and (5) sieving the synergist mixture obtained in the step (S2) by a 20-mesh sieve, and drying to obtain the novel fertilizer synergist.
Example 3
A novel fertilizer synergist comprises the following raw materials in parts by weight: 6.5 parts of urease inhibitor, 5.3 parts of nitrification inhibitor, 5.3 parts of compound microbial agent and 2.3 parts of water-retaining agent.
The urease inhibitor comprises 4.2 parts of hexamethylphosphoric triamide and 2.3 parts of copper sulfate.
The nitrification inhibitor comprises 2.1 parts of dicyandiamide, 1.4 parts of 3, 4-methylpyridine phosphate, 0.8 part of 2-chloro-6-trichloromethylpyridine and 1.0 part of acetylene.
The compound microbial agent comprises: 0.7 part of rhizobium, 0.5 part of bacillus, 0.7 part of azotobacter chroococcum, 0.8 part of rhizopus, 0.7 part of chaetomium, 1 part of phosphate-solubilizing potassium-solubilizing bacteria and 0.9 part of silicate bacteria.
The water-retaining agent is a starch water-retaining agent.
A preparation method of a novel fertilizer synergist comprises the following steps:
s1: uniformly mixing the microbial agents in parts by weight for later use;
s2: adding 98ml of water into the urease inhibitor, the nitrification inhibitor, the biological activating enzyme, the water-retaining agent and the microbial agent prepared in the step S1 according to the parts by weight, and uniformly stirring to obtain a synergist mixture;
s3: and (5) sieving the synergist mixture obtained in the step (S2) by a 30-mesh sieve, and drying to obtain the novel fertilizer synergist.
Comparative example 1
The preparation method is the same as that of example 3, except that the raw materials for preparing the novel synergist lack the compound microbial agent, the biological activating enzyme and the water-retaining agent.
Comparative example 2
The same procedure as in example 3 was followed, except that the raw materials for preparing the novel potentiator lacked the complex microbial agent.
Comparative example 3
The same procedure as in example 3 was followed, except that the bioactivator enzyme was absent from the starting material for the preparation of the novel potentiator.
Comparative example 4
The same procedure as in example 3 was followed except that the water-retaining agent was absent from the raw materials used to prepare the novel synergist.
Test methods and results
1. Fertilizer applied to flowers
The novel fertilizer synergist is added into a flower fertilizer, a citrus fruit tree fertilizer and a special fertilizer for eucalyptus, 7 samples (each sample is 3m multiplied by 3m) are selected from a flower planting base to plant the same variety of cumquat pot plants, the synergist in the embodiments 1-3 and the synergist in the comparative examples 1-4 are respectively added into the flower fertilizer and are respectively applied to the samples, the conditions of plant height and fruit setting rate of the cumquat pot plants are detected, and the detection data results of all groups are as follows.
TABLE 1 growth of flower seedlings in flower base
| Plant height | Fruit setting rate | |
| Example 1 | 110 | 230 |
| Example 2 | 115 | 239 |
| Example 3 | 121 | 245 |
| Comparative example 1 | 67 | 148 |
| Comparative example 2 | 105 | 219 |
| Comparative example 3 | 102 | 208 |
| Comparative example 4 | 107 | 225 |
As can be seen from Table 1, (1) the plant height and fruit setting rate of kumquat in example 3 are higher than those of examples 1 and 2, which indicates that example 3 is the most preferable example;
(2) as can be seen from the data of the examples 1 to 3 and the comparative examples 1 to 4, the compound microbial agent, the biological activating enzyme and the water-retaining agent play a role in synergy when being added into the flower fertilizer for preparing the novel fertilizer synergist, the plant height of the cumquat is increased, and the fruit setting rate is improved.
2. Fertilizer special for eucalyptus
7 samples (10 m multiplied by 10m per sample) are selected from a 5-year-old eucalyptus planting base, the synergists in examples 1-3 and comparative examples 1-4 are respectively added into the eucalyptus special fertilizer and respectively applied to the samples, the average tree height and the average chest diameter of the eucalyptus are measured, and the detection data of each group are as follows.
TABLE 2 Eucalyptus growth conditions
| Average tree height (m) | Mean chest diameter (cm) | |
| Example 1 | 16.94 | 14.11 |
| Example 2 | 17.21 | 14.45 |
| Example 3 | 17.68 | 14.62 |
| Comparative example 1 | 12.43 | 11.28 |
| Comparative example 2 | 16.37 | 13.87 |
| Comparative example 3 | 16.12 | 13.62 |
| Comparative example 4 | 15.88 | 13.37 |
As can be seen from table 2, (1) the average tree height and average chest diameter of example 3 are higher than those of examples 1 and 2, indicating that example 3 is the most preferred example;
(2) compared with the data of the comparative examples 1 to 4, the data of the embodiments 1 to 3 show that the synergist is added into the fertilizer special for eucalyptus, so that the fertilizer effect of the fertilizer special for eucalyptus can be maintained, and the average tree height and the average breast diameter of eucalyptus can be obviously improved.
The data in table 1 and table 2 are combined to show that the novel fertilizer synergist of the invention has good sustained and controlled release capability, can maintain fertilizer efficiency and improve the utilization rate of the fertilizer, and this may be:
1) the urease inhibitor is a reducing agent, so that the redox condition of the micro-ecological environment in the soil can be changed, the activity of soil urease is reduced, the water solubility of urea is reduced, and the hydrolysis rate of the urea is slowed down; after entering the soil, the nitrification inhibitor can inhibit nitrification, nitrosation and denitrification in the soil, and the nitrogen fertilizer can be absorbed by crops for a longer time, so that the fertilizer efficiency is improved; the synergistic effect of the urease inhibitor and the nitrification inhibitor can improve the fertilizer efficiency of urea, reduce the loss of nitrogen elements, promote the growth of crops and reduce environmental pollution;
2) the compound microbial agent has good nitrogen fixation capacity, can improve the utilization rate of the fertilizer, has strong sterilization capacity, can inhibit the growth of other pathogenic bacteria, promotes the growth of beneficial bacteria, has a synergistic effect with a urease inhibitor and a nitrification inhibitor, provides a large number of floras, supplements more nutrient components, secretes nutrient substances to be absorbed by plants, promotes the growth of crops and improves the yield;
3) the starch water-retaining agent can be automatically degraded, does not cause harm to the environment, can retain water, keep warm and maintain fertilizer, can improve the soil structure, can provide a certain amount of water for crops, provides a good growth environment and is beneficial to the growth of the crops.
The above description should not be taken as limiting the invention to the embodiments, but rather, as will be apparent to those skilled in the art to which the invention pertains, numerous simplifications or substitutions may be made without departing from the spirit of the invention, which shall be deemed to fall within the scope of the invention as defined by the claims appended hereto.
Claims (9)
1. The novel fertilizer synergist is characterized by comprising the following raw materials in parts by weight: 2.1-6.5 parts of urease inhibitor, 1.9-5.3 parts of nitrification inhibitor, 1.7-5.3 parts of composite microbial agent and 0.8-2.3 parts of water-retaining agent.
2. A novel fertilizer synergist according to claim 1, comprising the following raw materials in parts by weight: 2.5-5.9 parts of urease inhibitor, 2.3-4.7 parts of nitrification inhibitor, 1.8-3.5 parts of composite microbial agent and 1.1-2.0 parts of water-retaining agent.
3. A novel fertilizer synergist according to claim 1, comprising the following raw materials in parts by weight: 3.3-5.1 parts of urease inhibitor, 2.8-3.9 parts of nitrification inhibitor, 2.4-2.9 parts of composite microbial agent and 1.4-1.8 parts of water-retaining agent.
4. A novel fertilizer synergist according to any one of claims 1 to 3 wherein said urease inhibitor comprises hexamethylphosphoric triamide, copper sulfate.
5. A novel fertilizer synergist according to any one of claims 1 to 3 wherein said nitrification inhibitor comprises one or more of dicyandiamide, 3, 4-methylpyridine phosphate, 2-chloro-6-trichloromethylpyridine, acetylene.
6. A novel fertilizer synergist according to any one of claims 1 to 3, wherein said complex microbial agent comprises one or more of rhizobia, bacillus, azotobacter chroococcum, rhizopus, chaetomium, phosphate-solubilizing potassium-solubilizing bacteria and silicate bacteria.
7. The novel fertilizer synergist according to claim 6, wherein said complex microbial agent comprises, in parts by weight: 0.1-0.7 part of rhizobium, 0.2-0.5 part of bacillus, 0.3-0.7 part of azotobacter chroococcum, 0.1-0.8 part of rhizopus, 0.3-0.7 part of chaetomium, 0.3-1 part of phosphate-solubilizing potassium-solubilizing bacteria and 0.4-0.9 part of silicate bacteria.
8. A novel fertilizer synergist according to any one of claims 1 to 3, wherein said water retaining agent is a starch water retaining agent.
9. The preparation method of the novel fertilizer synergist is characterized by comprising the following steps of:
s1: uniformly mixing the microbial agents in parts by weight for later use;
s2: adding 35-100 ml of water into the urease inhibitor, the nitrification inhibitor, the biological activating enzyme, the water-retaining agent and the microbial agent prepared in the step S1 according to the parts by weight, and uniformly stirring to obtain a synergist mixture;
s3: and (5) sieving the synergist mixture obtained in the step (S2) by a sieve of 10-30 meshes, and drying to obtain the novel fertilizer synergist.
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| CN113004085A (en) * | 2021-03-22 | 2021-06-22 | 黑龙江省农垦科学院 | Slow-release synergistic biological fertilizer and preparation method thereof |
| CN113788725A (en) * | 2021-09-03 | 2021-12-14 | 哈尔滨帝盟生物科技有限公司 | Multifunctional fertilizer synergist and preparation method thereof |
| CN114163275A (en) * | 2021-12-20 | 2022-03-11 | 中国科学院沈阳应用生态研究所 | Soil conditioner with balanced microorganisms and preparation method thereof |
| CN114195572A (en) * | 2020-09-17 | 2022-03-18 | 沈阳中科新型肥料有限公司 | Disease-resistant and stress-resistant fertilizer synergist for protected land |
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Application publication date: 20200317 |