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A kind of coated slow-release fertilizer for rice and its preparation method and application

A technology of coated slow-release and coated materials, which is applied to the field of coated slow-release fertilizers for rice and its preparation, can solve the problems of poor nutrient release persistence and the like, and achieve the effects of maintaining activity and enhancing anti-infection ability.

Active Publication Date: 2022-05-03
CNSG ANHUI HONG SIFANG FERTILIZER IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem of poor nutrient release persistence of existing coated slow-release fertilizers, the present invention provides a coated slow-release fertilizer for rice and its preparation method and application, which can effectively slow down the nutrient release of fertilizers and prevent rice grains. blight infection

Method used

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  • A kind of coated slow-release fertilizer for rice and its preparation method and application
  • A kind of coated slow-release fertilizer for rice and its preparation method and application

Examples

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Effect test

Embodiment 1

[0034] The coated slow-release fertilizer of the present embodiment comprises a core and a nuclear membrane, wherein the core is a granular fertilizer, and the granular fertilizer, in parts by weight, includes the following raw materials:

[0035] Monoammonium phosphate: 30 parts,

[0036] Diatomaceous earth: 20 parts,

[0037] Urea: 10 parts,

[0038] Potassium sulfate: 10 parts,

[0039] Magnesium sulfate: 5 parts,

[0040] Microbial agents: 0.02 parts;

[0041] The dosage form of the microbial inoculant is a spore powder, and the average number of effective spores per gram of the spore powder is 1×10 6 spores,

[0042] The microbial agent described therein is Neurospora acidiphila (Catenulispora acidiphila), which was preserved in the General Microbiology Center of China Committee for the Collection of Microbial Cultures on September 5, 2008, with a preservation number of 4.5515;

[0043] The preparation method of the granular fertilizer is as follows: first, diatomac...

Embodiment 2

[0055] The coated slow-release fertilizer of the present embodiment comprises a core and a nuclear membrane, wherein the core is a granular fertilizer, and the granular fertilizer, in parts by weight, includes the following raw materials:

[0056] Monoammonium phosphate: 65 parts,

[0057] Diatomaceous earth: 10 parts,

[0058] Urea: 20 parts,

[0059] Potassium sulfate: 5 parts,

[0060] Magnesium sulfate: 10 parts,

[0061] Microbial agents: 0.02 parts;

[0062] The dosage form of the microbial inoculant is a spore powder, and the average number of effective spores per gram of the spore powder is 1×10 6 spores,

[0063] The microbial agent described therein is Neurospora acidiphila (Catenulispora acidiphila), which was preserved in the General Microbiology Center of China Committee for the Collection of Microbial Cultures on September 5, 2008, with a preservation number of 4.5515;

[0064] The preparation method of the granular fertilizer is as follows: first, diatomaceo...

Embodiment 3

[0076] The coated slow-release fertilizer of the present embodiment comprises a core and a nuclear membrane, wherein the core is a granular fertilizer, and the granular fertilizer, in parts by weight, includes the following raw materials:

[0077] Monoammonium phosphate: 45 parts,

[0078] Diatomaceous earth: 10 parts,

[0079] Urea: 20 parts,

[0080] Potassium sulfate: 8 parts,

[0081] Magnesium sulfate: 8 parts,

[0082] Microbial agents: 0.02 parts;

[0083] The dosage form of the microbial inoculant is a spore powder, and the average number of effective spores per gram of the spore powder is 1×10 6 spores,

[0084] The microbial agent described therein is Neurospora acidiphila (Catenulispora acidiphila), which was preserved in the General Microbiology Center of China Committee for the Collection of Microbial Cultures on September 5, 2008, with a preservation number of 4.5515;

[0085] The preparation method of the granular fertilizer is as follows: first, diatomace...

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Abstract

The invention discloses a film-coated slow-release fertilizer for rice, a preparation method and application thereof, and belongs to the technical field of fertilizers. The present invention introduces Neurospora acidophilus into the traditional slow-release fertilizer. On the one hand, the microbial agent can effectively enhance the anti-infection ability of rice to rice sheath blight; Ammonium, urea, potassium sulfate, magnesium sulfate, etc. are fermented. The fermentation improves the shape of diatomite. Due to the gas generated by fermentation, pores appear in the diatomite and it looks more fluffy, making granular fertilizer components such as monoammonium phosphate can be trapped in the stomata; the effective combination of microbial agents and other raw materials in coated slow-release fertilizers, and through appropriate preparation methods can realize the stable presence of microbial agents in coated slow-release fertilizers and maintain activity. Tests have shown that this The applied coated slow-release fertilizer can effectively slow down the release of fertilizer nutrients and prevent the infection of rice sheath blight.

Description

technical field [0001] The invention belongs to the technical field of fertilizers, and in particular relates to a film-coated slow-release fertilizer for rice and its preparation method and application. Background technique [0002] Rice is one of the main food crops in my country. Its planting area accounts for about 1 / 4 of the country's cultivated land area, and its annual output accounts for about 1 / 2 of the country's total grain output. 40%. Among them, rice sheath blight is a fungal disease caused by the infection of Rhizoctonia solani. It is one of the most common major diseases of rice. Generally, early rice is heavier than late rice, which often causes grains to be not full and empty shells. In severe cases, it can cause the plant to fall and die. The pathogens on rice sheath blight lesions spread among the rice clusters by contacting and infecting adjacent rice plants; the sclerotium formed on the diseased part falls into the field and floats with the water for re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/40C05G3/60C05G5/30A01G22/22A01G13/00
CPCC05B7/00C05G3/00A01G22/22A01G13/00
Inventor 束维正陈勇陈国庆丁茂刘洪滨许焱炜郑兴来胡婷婷陆银萍王坤孙孝根
Owner CNSG ANHUI HONG SIFANG FERTILIZER IND CO LTD