Sustained-release fertilizer taking biomass granular carbon as matrix and specially used for melon and preparation method of fertilizer

A technology of biomass granular carbon and biomass particles, which is applied in the direction of fertilizer mixture, application, fertilization device, etc., can solve the problems of forced highway closure, flight failure to land, environmental pollution, etc., and achieve the purpose of absorbing and maintaining nutrients and water Strong capacity, reduced fertilizer leaching loss, and easy access to raw materials

Inactive Publication Date: 2012-10-03
上海孚祥生态环保科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the burning season, there have been many incidents where flights could not land and highways were forced to close due to the smog in the sky, which not only wasted a lot of precious resources, but also brought serious pollution to the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] Example 1: Preparation process of special slow-release fertilizer for melons based on biomass granular carbon

[0081] Follow the steps below to mix by weight ratio or weight percentage:

[0082] (1) Take large-grain urea with a nitrogen (N) content of 46%, and 80-mesh biomass granular carbon particles, mix them in a ratio of 71.2% and 28.8%, and use a disc granulator with a heating function (fertilizer Commonly used machinery in the preparation process) for coating to make an elemental slow-release nitrogen fertilizer with a nitrogen (N) content of 32.75%.

[0083] (2) Take ammonium sulfate with a nitrogen (N) content of 21.2%, 80-mesh biomass granular charcoal, and a binder, mix them in proportions of 72.2%, 20.3%, and 7.5%, and use KP-300 organic fertilizer to granulate The machine carries out pressure granulation to make a slow-release nitrogen fertilizer with a nitrogen (N) content of 15.31%.

[0084] (3) Take monoammonium phosphate powder with 11% nitrogen...

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PUM

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Abstract

The invention relates to a sustained-release fertilizer taking biomass granular carbon as a matrix and specially used for melon and a preparation method of the fertilizer. The method comprises the following step of: compounding granular carbon which is prepared from agricultural and forestry waste biomass such as corncob, peanut shells, rice husks and an edible fungus matrix and is taken as a matrix material with nitrogen, phosphorus, potassium and other nutrient elements which are necessary to the growth and development of the melon by using the multiple micropores and high adsorption capacity of the granular carbon and using bentonite or clay as a binder to prepare a granular biomass carbon-based sustained-release fertilizer special for the melon. The biomass granular carbon is black carbon powder granules (carbon black) formed after the biomass is subjected to incomplete combustion under the anoxic condition, has multiple characteristics similar to those of soil humus (humic acid), is high in nutrient and water adsorbing and retaining capacity, can stimulate crop growth, and is high in nitrogen, phosphorus and potassium sustained-release performance, so that the sustained-release fertilizer prepared from the biomass granular carbon can meet the requirement in the whole growth and development period of the melon after being applied at one time, has the characteristics of increasing soil fertility, improving a soil structure, achieving high efficiency and environment friendliness, and the like, and is wide in application prospect.

Description

[0001] technical field [0002] The invention belongs to the technical field of agricultural fertilizer production, and in particular relates to a special slow-release fertilizer for melons with biomass granular carbon as a substrate and a preparation method thereof. Background technique [0003] In melon production, fertilization is an important measure to ensure yield and quality. Nitrogen, phosphorus, and potassium are the three nutrients that melon absorbs the most, and they are relatively deficient in the soil and need to be supplemented by fertilization. At present, the chemical fertilizers used on melons are mainly quick-acting fertilizers, which dissolve quickly in the soil. If too much nitrogen fertilizer is applied at one time, the concentration of the soil solution will increase too much in a short period of time, which will easily lead to excessive plant growth in the early stage of growth, and delay ripening in the late stage of growth. Sugar content and vitami...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C05G3/80
Inventor 李辰淼侯善华张丹
Owner 上海孚祥生态环保科技股份有限公司
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