Granular organic fertilizer containing organic carbon source and preparation method thereof

A technology of granular organic fertilizer and organic carbon, applied in the direction of organic fertilizer, fertilizer made of biological waste, fertilization device, etc., can solve the problems of small change effect, environmental impact, instability, etc., so as to reduce adverse effects and improve production. Efficiency, the effect of reducing fertilizer and labor costs

Pending Publication Date: 2018-06-29
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the application of various fertilizers with different release types can only change the time course of nitrogen release to a certain extent, and the change effect is small and unstable.
However, adding fertilizers in the middle and late stages of plant growth not only increases the cost but also has an impact on the environment.

Method used

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  • Granular organic fertilizer containing organic carbon source and preparation method thereof
  • Granular organic fertilizer containing organic carbon source and preparation method thereof
  • Granular organic fertilizer containing organic carbon source and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0035]The present embodiment provides a granular organic fertilizer containing an organic carbon source, which comprises, in parts by mass, 100 parts of decomposed cow dung organic fertilizer (1.3% nitrogen content on a dry basis) with a moisture content of 30%, silage corn stalks (12% readily available organic carbon content, 30% medium available organic carbon content) 2 parts and 10 parts of mature corn stalks (4% readily available organic carbon content, 24% medium available organic carbon content).

[0036] This embodiment also provides a preparation method for the above-mentioned granular organic fertilizer, which includes the following steps: first air-dry the silage corn stalk and the mature corn stalk respectively and then pulverize them to 1 mm, then pulverize the decomposed cow dung organic fertilizer to 1 mm and adjust the water content to 30%, and then fully mix 2 parts of silage corn stalks, 10 parts of mature corn stalks and 100 parts of decomposed cow dung organ...

Embodiment 2

[0040] This embodiment provides a granular organic fertilizer containing an organic carbon source, in parts by mass, comprising 100 parts of enhanced cow dung organic fertilizer (with a dry basis nitrogen content of 3.5%) with a water content of 30%, silage corn stalks (15% readily available organic carbon content, 35% medium available organic carbon content) 6 parts and 4 parts of mature corn stalks (3% readily available organic carbon content, 28% medium available organic carbon content).

[0041] This embodiment also provides the preparation method of the above-mentioned granular organic fertilizer, which includes the following steps: first air-dry the silage corn stalks and mature corn stalks and pulverize them to 2mm respectively, then pulverize the strengthened cow dung organic fertilizer to 1mm and adjust the water content to 30%, then 6 parts of silage corn stalks, 4 parts of mature corn stalks and 100 parts of enhanced cow dung organic fertilizer are fully mixed to obt...

Embodiment 3

[0045] The present embodiment provides a granular organic fertilizer containing an organic carbon source, in parts by mass, comprising 100 parts of bean cake fertilizer (dry base nitrogen content of 5.5%) with a water content of 30%, silage corn stalks (easy to use Organic carbon content is 14%, medium available organic carbon content is 36%) 10 parts and mature sorghum straw (easy available organic carbon content is 5%, medium available organic carbon content is 20%) 8 parts.

[0046] This embodiment also provides a preparation method for the above-mentioned granular organic fertilizer, which includes the following steps: firstly air-dry the silage corn stalks and mature sorghum stalks and pulverize them to 2mm respectively, then pulverize the bean cake fertilizer to 1mm and adjust the water content to 30%. Then fully mix 10 parts of silage corn stalks, 8 parts of mature sorghum stalks and 100 parts of bean cake fertilizer to obtain a mixed material, and finally use a disc gra...

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Abstract

The invention relates to granular organic fertilizer containing an organic carbon source. The granular organic fertilizer is prepared from raw materials containing rotten organic fertilizer and the organic carbon source by mixing and granulation, wherein the proportion of the nitrogen content of the rotten organic fertilizer to easy-to-utilize organic carbon to moderately available organic carbonin the organic carbon source is (0.1 to 7) to (0.4 to 2.5) to (2.1 to 7.2); the easy-to-utilize organic carbon is organic carbon in a water-soluble carbohydrate in the organic carbon source; the moderately available organic carbon is 50 to 70 percent of the sum of the quantities of cellulose and hemicellulose in the organic carbon source. The granular organic fertilizer provided by the invention can be used for accurately regulating and controlling the conversion and release processes of a nitrogen element in the granular organic fertilizer, and is used for meeting the demand, for nitrogen, ofa crop at different growth phases, improving the application production efficiency of organic fertilizer, reducing an undesirable influence on an environment, realizing the once applying of the basefertilizer of the organic fertilizer, meeting the demand of the crop in a whole growth period and decreasing fertilizer and labor cost.

Description

technical field [0001] The invention relates to the technical field of agricultural fertilizers, in particular to a granular organic fertilizer containing organic carbon sources and a preparation method thereof. Background technique [0002] Organic fertilizer is a kind of fertilizer that provides nutrients for plants and enhances soil fertility with organic matter as the carrier. Up to now, there are extremely many varieties of organic fertilizers in the world, with different properties. From the perspective of nitrogen release, organic fertilizers can be divided into three categories: early rapid release type (such as bean cake, chicken manure fertilizer), late effective release type (such as decomposed pig manure) and slow and stable type (such as decomposed cattle manure). manure). [0003] The nitrogen demand of plants is the amount of nitrogen that plants absorb from the soil to meet the needs of plant growth and assimilation of new tissues. The nitrogen demand is m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/08C05G3/90
CPCC05F3/00C05F5/002C05G3/90C05G5/12C05F11/00
Inventor 李贵桐马泽梦赵小蓉林启美
Owner CHINA AGRI UNIV
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