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Fertilizer slow-release synergistic agent and preparation method thereof

A fertilizer slow-release and synergistic technology, which is applied in fertilizer mixtures, fertilization devices, agricultural gas emission reduction, etc., can solve the problem of incorrect application period methods or fertilizers used, trouble in making fertilizer synergists, and increased economic burden on farmers, etc. problems, to increase the competitiveness of commodities, reduce the number of top-dressing and the amount of top-dressing, and reduce environmental non-point source pollution.

Inactive Publication Date: 2012-10-31
ANHUI FURUIXUE CHEM SCI & TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The utilization rate of fertilizers is very low. The main reasons are: unsuitable amount of fertilization (too much or insufficient), incorrect application period, land conditions, methods or fertilizers used, and the leaching, erosion, volatilization, and reaction of fertilizers in the soil. Losses caused by nitrification, fixation, etc.
The low utilization rate of fertilizers will cause waste of fertilizers, energy waste, soil, groundwater, air pollution, and crop quality reduction.
At the same time, it also increases the economic burden on farmers
[0003] Existing fertilizer synergists are cumbersome to make, inconvenient to use, with various varieties and uneven effects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1, prepare fertilizer slow-release synergist 1000kg

[0023] Weigh 100kg of potassium polyaspartate (10%), 50kg of benzoquinone (5%), 50kg of dicyandiamide (5%), 20kg of sodium α-naphthalene acetate (2%), and 30kg of sodium indole acetate according to the ratio (3%), sodium humate 200kg (20%), zeolite 550kg (55%), the above-mentioned raw materials weighed according to the ratio were crushed, sieved to 50 mesh, and then each raw material was added to the mixer, and the Stir and mix, and then carry out metering and packing after stirring evenly, and obtain the fertilizer slow-release synergist.

Embodiment 2

[0024] Embodiment 2, prepare fertilizer slow-release synergist 1000kg

[0025] Weigh 35kg (3.5%) of potassium polyaspartate, 50kg (5%) of catechol, 50kg (5%) of 2-sulfathiazole, 20kg (2%) of sodium α-naphthalene acetate, and Sodium phenate 30kg (3%), sodium humate 300kg (30%), zeolite 515kg (51.5%), the above-mentioned raw materials weighed according to the proportion were crushed, sieved to 50 mesh, and then each raw material was added to the mixer Stirring and mixing are carried out in the mixing chamber, and after uniform stirring, the fertilizer slow-release synergist is obtained.

Embodiment 3

[0026] Embodiment 3, prepare fertilizer slow-release synergist 1000kg

[0027] Weigh 150kg (15%) of potassium polyaspartate, 3kg (0.3%) of N-butylthiophosphoric acid triamide (NBPT), 20kg (2%) of amidinothiourea, and 50kg of 2-sulfathiazole according to the ratio (5%), gibberellin 3kg (0.3%), sodium nitrophenolate 3kg (0.3%), sodium humate 300kg (30%), bentonite 471kg (47.1%), the above-mentioned raw materials weighed according to the proportion Pulverize and sieve to 50 meshes, then put each raw material into a mixer, stir and mix, mix evenly, measure and pack after stirring, and obtain the fertilizer slow-release synergist.

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Abstract

The invention discloses a fertilizer slow-release synergistic agent and a preparation method thereof. The fertilizer slow-release synergistic agent comprises the following raw materials in percentage by mass: 0.1-20 % of polyaspartic acid and slat thereof, 0.1-10 % of urease inhibitor, 0.1-30 % of nitrification inhibitor, 0.03-5 % of plant growth regulating agent, 10-35 % of soil regulating agent and 10-80 % of carrier. The fertilizer slow-release synergistic agent disclosed by the invention is mainly used for the slow-release synergism of a compound mixing fertilizer, is increased in the utilization rate of the fertilizer, and is capable of effectively improving the soil, and the soil moisture can be preserved; and when the fertilizer slow-release synergistic agent is used, the fertilizer slow-release synergistic agent can be added into a material feeding system or an enveloping drum together with the fertilizer raw materials and mixed with the fertilizer raw materials, the effect of slow-release synergism can be realized, and the dosage of the fertilizer slow-release synergistic agent is 4-8 kg per ton fertilizer.

Description

technical field [0001] The invention relates to a fertilizer synergist, in particular to a fertilizer slow-release synergist and a preparation method thereof. Background technique [0002] my country is a big agricultural country, and it is also a big country in the production and use of chemical fertilizers. my country's chemical fertilizer production accounts for about 20% of the world's total output, and its application rate accounts for about 30%, ranking first in the world. However, according to my country's fertilizer-related measurements, the utilization rate of nitrogen in chemical fertilizers is 30%-70%, and that of phosphate fertilizers is 10%. %-25%, potash fertilizer is 40%-70%. The utilization rate of fertilizers is very low. The main reasons are: unsuitable amount of fertilization (too much or insufficient), incorrect application period, land conditions, methods or fertilizers used, and the leaching, erosion, volatilization, and reaction of fertilizers in t...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/04C05G3/08C05G3/80C05G3/90
CPCY02P60/21
Inventor 刘清白李建勇
Owner ANHUI FURUIXUE CHEM SCI & TECH INC
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