Slow release fertilizer special for cucumber by using biomass granular carbon as matrix and preparation method for slow release 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: 2012-09-19
上海孚祥生态环保科技股份有限公司
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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 t

Method used

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Examples

Experimental program
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Embodiment 1

[0078] Example 1: Preparation process of special slow-release fertilizer for cucumber with biomass granular carbon as substrate

[0079] Follow the steps below to mix by weight ratio or weight percentage:

[0080] (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 79.2% and 20.8%, 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 36.43%.

[0081] (2) Take monoammonium phosphate powder containing 11% nitrogen (N) and 46% available phosphorus (P2O5), 80-mesh biomass granular carbon particles and binder, according to 75.6%, 17.5% Mix with 6.9% ratio, carry out pressure granulation with KP-300 type organic fertilizer granulator, make nitrogen (N) amount 8.32%, contain available phosphorus (P2O5) amount and be 34.78% nitrogen-phosphorus ...

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Abstract

The invention discloses a slow release fertilizer special for cucumber by using biomass granular carbon as a matrix and a preparation method for the slow release fertilizer. Granular carbon prepared from agricultural wastes such as corn cobs, peanut shells, rice hulls and edible fungi matrix are used as a matrix material; and based on the micro-pores and strong adsorption capability of the matrix material, the granular biomass carbon-based slow release fertilizer special for the cucumber is prepared compounding the matrix material and nitrogen, phosphorus, potassium and other nutritional elements required by growth and development of the cucumber. The biomass granular carbon is black biomass granular carbon granules formed after the agricultural waste biomass is incompletely burnt under the low-oxygen condition, has multiple properties similar to soil humus and strong adsorption and nutrient and moisture holding capabilities, can stimulate growth of crops, and has good slow release performance on nitrogen, phosphorus and potassium; when the prepared slow release fertilizer is applied at one time, the requirements of the cucumber for nutrients in the whole growth period can be effectively met; and the slow release fertilizer has the characteristics of increasing soil fertility, improving the structure of soil and realizing high efficiency and environment friendliness, and is beneficial to large-scale popularization and application in the production of the cucumber.

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 cucumber with biomass granular carbon as a substrate and a preparation method thereof. Background technique [0003] In the cultivation and management of cucumber, rational fertilization is an important measure related to yield and quality. Cucumber is an unlimited growth crop, as long as the temperature, light, water, and nutrition meet its requirements, it can bloom and bear fruit continuously. Due to the fast growth of the plant, a large amount of fruits are produced in a short period of time, and the growth of stems and leaves and the formation of claws are carried out at the same time, which will inevitably consume a large amount of nutrients in the soil, so the fertilizer used is larger than that of other vegetables. Cucumber is also a shallow-rooted crop. The root system is mainly di...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/08C05G3/90
CPCY02P60/21Y02A40/22
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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