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Selenium-rich organic fertilizer and preparation method thereof

An organic fertilizer and selenium-enriched technology, applied in the agricultural field, can solve the problems of selenium malnutrition and achieve the effects of preventing the loss of selenium, promoting absorption, and increasing the absorption rate

Inactive Publication Date: 2016-07-20
李小婷
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The Chinese Nutrition Society recommends that the per capita daily selenium intake is 50-200 micrograms, but now the daily selenium intake of Chinese adults is only 26-32 micrograms, and selenium malnutrition is common in our country

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A selenium-enriched organic fertilizer, mainly composed of the following components in proportion by weight: 80 parts of chicken manure, 36 parts of sheep manure, 24 parts of pond mud, 7 parts of gecko manure, 6 parts of pangolin manure, and biomass containing fiber 44 parts, 33 parts of soybean meal, 13 parts of fish bones, 5 parts of black peanut shells, 7 parts of bacterial strains, 23 parts of potassium humate, 28 parts of activated selenium mineral powder; among them, the biomass containing fiber includes straw, corn cob, hay and one or more of dry straw.

[0030] The above activated selenium ore powder is to pulverize selenium ore to make selenium ore powder of 50~100 meshes, add ammonia water with a mass fraction of 2~3% according to the liquid-solid ratio of 5ml / g, soak for 48~72h, Stir once every 2 hours. After soaking, slowly add dilute nitric acid while stirring to adjust the pH to 6.2~6.8, and then add Fe in sequence. 2 o 3 and calcium acetate, stirred for...

Embodiment 2

[0038] A selenium-enriched organic fertilizer, mainly composed of the following components in proportion by weight: 70 parts of chicken manure, 30 parts of sheep manure, 20 parts of pond mud, 5 parts of gecko manure, 4 parts of pangolin manure, and biomass containing fiber 35 parts, 30 parts of soybean meal, 10 parts of fish bones, 3 parts of black peanut shells, 5 parts of strains, 20 parts of potassium humate, 30 parts of activated selenium mineral powder; among them, the biomass containing fiber is made of straw and corn cobs by 2 : 1 mass ratio composition; strains include lactic acid bacteria, saccharomyces and bacillus subtilis.

[0039] The above activated selenium ore powder is to pulverize selenium ore to make selenium ore powder of 50~100 meshes, add ammonia water with a mass fraction of 2~3% according to the liquid-solid ratio of 5ml / g, soak for 48~72h, Stir once every 2 hours. After soaking, slowly add dilute nitric acid while stirring to adjust the pH to 6.2~6.8, ...

Embodiment 3

[0046] A selenium-enriched organic fertilizer, mainly composed of the following components in proportion by weight: 90 parts of chicken manure, 42 parts of sheep manure, 28 parts of pond mud, 8 parts of gecko manure, 7 parts of pangolin manure, and biomass containing fiber 50 parts, 35 parts of soybean meal, 15 parts of fish bones, 6 parts of black peanut shells, 8 parts of strains, 26 parts of potassium humate, 20 parts of activated selenium mineral powder; among them, the biomass containing fiber is composed of straw, hay and dry rice straw Composition; strains include lactic acid bacteria, yeast and Bacillus subtilis.

[0047] The above activated selenium ore powder is to pulverize selenium ore to make selenium ore powder of 50~100 meshes, add ammonia water with a mass fraction of 2~3% according to the liquid-solid ratio of 5ml / g, soak for 48~72h, Stir once every 2 hours. After soaking, slowly add dilute nitric acid while stirring to adjust the pH to 6.2~6.8, and then add F...

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Abstract

The invention discloses a selenium-rich organic fertilizer.The selenium-rich organic fertilizer is mainly prepared from, by weight, 70-90 parts of chicken manure, 30-42 parts of sheep manure, 20-28 parts of pond sludge, 5-8 parts of gecko manure, 4-7 parts of pangolin manure, 35-50 parts of fiber-containing biomass, 30-35 parts of bean pulp, 10-15 parts of fishbone, 3-6 parts of black peanut shells, 5-8 parts of a strain, 20-26 parts of potassium humate and 20-30 parts of activated selenium ore powder.A production method of the selenium-rich organic fertilizer includes the following steps that 1, fishbone powder, bean pulp, black peanut shells, fiber-containing biomass and the strain are subjected to primary fermentation; 2, a KOH solution is added to regulate the PH after primary fermentation, and then potassium humate, part of activated selenium ore powder, chicken manure, sheep manure, pond sludge, gecko manure and pangolin manure are added and subjected to secondary fermentation; 3, the rest of activated selenium ore powder is added after secondary fermentation.By applying the organic fertilizer, the selenium content in crops can be effectively increased.

Description

technical field [0001] The invention relates to the technical field of agriculture, in particular to a selenium-enriched organic fertilizer and a preparation method thereof. Background technique [0002] Selenium is an indispensable trace element for the human body, and it is a powerful antioxidant that can effectively remove carcinogenic factors - free radicals, and has the reputation of "the king of anti-cancer". Scientists have investigated the relationship between cancer mortality and selenium intake per person in 20 countries and found that if selenium intake is low, the incidence and mortality of cancer will increase, especially colon cancer, pancreatic cancer, and ovarian cancer. , prostate cancer and male lung cancer and skin cancer are the most obvious. According to statistics, there are 42 countries and regions in the world who are deficient in selenium; a survey conducted by the Chinese Nutrition Society shows that about 700 million people in two-thirds of my cou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00
CPCC05D9/02C05F1/002C05F3/00C05F5/002C05F7/00C05F11/00C05F11/02C05F11/08
Inventor 黄泳葛柯利佳
Owner 李小婷
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