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Paddy rice dedicated cadmium-reducing biological organic fertilizer and preparation method thereof

A bio-organic fertilizer and cadmium-reducing technology, applied in application, fertilization devices, fertilizer mixtures, etc., can solve the problems of low poisoning concentration, degradation, long half-life, etc., and achieve increased rice yield, reduced cadmium absorption, and strong specificity Effect

Inactive Publication Date: 2015-09-09
HUNAN ZHONGKE AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Cadmium is a trace heavy metal element that is toxic to animals and plants. It is extremely toxic to the human body and is easily absorbed by the human body. Cadmium has high mobility and low toxic concentration. It has a long half-life and cannot be degraded by microorganisms in the soil. , is easily absorbed and accumulated by plants, and its pollution is an irreversible process, which will affect the yield and quality of crops if it exceeds a certain limit

Method used

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  • Paddy rice dedicated cadmium-reducing biological organic fertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] First, take 2 parts of urea (containing N46.2%), diammonium phosphate (containing N18%, containing P 2 o 5 46%) 4 parts, potassium sulfate (containing K 2 (058%) 2 parts, 1 part of trace elements, 40 parts of poultry manure, 20 parts of crop straw, 30 parts of humic acid, 1 part of biological bacteria, respectively for standby;

[0047] Next, crush the crop straw (below 100 mesh), mix it with spare poultry manure, biological bacteria, and humic acid, use a fermentation tank to quickly ferment and decompose into a bioorganic functional conditioning agent combination, and set aside;

[0048] Third, the spare urea, diammonium phosphate, potassium sulfate, iron, manganese, zinc, silicon and other trace elements are crushed and mixed according to the ratio to form an optimized formula of inorganic nutrients for use;

[0049] Fourth, scientifically match the spare bio-organic functional conditioner combination and the optimized inorganic nutrient formula in proportion, then...

Embodiment 2

[0065] First, take 1 part of urea (containing N46.2%), diammonium phosphate (containing N18%, containing P 2 o 5 46%) 6 parts, potassium sulfate (containing K 2 (058%) 1 part, 1.5 parts of trace elements, 30 parts of poultry manure, 40 parts of crop straw, 20 parts of humic acid, 0.5 part of biological bacteria, respectively for standby;

[0066] The second to fifth steps are the same as in Embodiment 1.

Embodiment 3

[0068] First, take 3 parts of urea (containing N46.2%), diammonium phosphate (containing N18%, containing P 2 o 5 46%) 2 parts, potassium sulfate (containing K 2 (058%) 3 parts, 0.5 parts of trace elements, 50 parts of poultry manure, 30 parts of crop straw, 10 parts of humic acid, 1.5 parts of biological bacteria, respectively for standby;

[0069] The second to fifth steps are the same as in Embodiment 1.

[0070] The special cadmium-reducing bio-organic fertilizer for rice of the present invention is mainly used for rice, and can also be used for corn, soybean, vegetables, flowers, melons and other fruit trees, various grains, oils and economic crops. When applying, the base fertilizer is mainly applied in furrows, and it can also be used as topdressing or foliar spraying with water.

[0071] The special-purpose cadmium-reducing bio-organic fertilizer for rice of the present invention, its method of use and matters needing attention are as follows:

[0072] Scope and me...

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Abstract

The invention discloses a paddy rice dedicated cadmium-reducing biological organic fertilizer and a preparation method thereof, and relates to the technical field of agricultural fertilizer; the paddy rice dedicated cadmium-reducing biological organic fertilizer is prepared by mixing granulation of 1-3 parts by weight of urea, 2-6 parts by weight of diammonium phosphate, 1-3 parts by weight of potassium sulfate, 0.5-1.5 parts by weight of a trace element, 30-50 parts by weight of livestock and poultry manure, 20-40 parts by weight of agricultural crop straw, 10-30 parts by weight of humic acid, and 0.5-1.5 parts by weight of biological bacteria. The paddy rice dedicated cadmium-reducing biological organic fertilizer is applied, aims at paddy rice fertilizer-requiring characteristics, has strong specificity and high fertilizer efficiency, and can effectively reduce the cadmium absorption of paddy rice; the paddy rice yield can be increased by 5-10%, and the quality of produced rice can meet requirements of green food. The paddy rice dedicated cadmium-reducing biological organic fertilizer is mainly used for paddy rice, and also can be used for soybean, corn, fruit trees, vegetables and other crops. When application, the paddy rice dedicated cadmium-reducing biological organic fertilizer is mainly used as a base fertilizer for furrow application, and also can be used as a topdressing fertilizer for broadcasting application.

Description

technical field [0001] The invention relates to the technical field of agricultural fertilizers, in particular to a special cadmium-reducing bio-organic fertilizer for rice and a preparation method thereof. Background technique [0002] Rice is the main food crop in my country, and the farmers engaged in rice production are close to 50% of the total number of farmers, and more than 60% of the population in the country use rice as a staple food. Rice has many uses besides food. At present, the rice that is directly eaten accounts for about 84%, and the industrial use and feed use account for about 10%. Its output and quality are directly related to the entire national economy and people's life and health. [0003] Cadmium is a trace heavy metal element that is toxic to animals and plants. It is extremely toxic to the human body and is easily absorbed by the human body. Cadmium has high mobility and low toxic concentration. It has a long half-life and cannot be degraded by mi...

Claims

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Application Information

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IPC IPC(8): C05G3/04C05G3/80
Inventor 文贻荣黄生博
Owner HUNAN ZHONGKE AGRI
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