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Method for wrapping fertilizer in soil granules and compound fertilizer prepared therefrom

A chemical fertilizer and loess technology, which is applied in the field of compound fertilizer, can solve the problems of not finding a utilization method and not being widely used, and achieves stable and reliable slow-release performance, obvious effect of increasing production, and good compatibility

Active Publication Date: 2012-10-24
HENAN JINKAI CHEM INVESTMENT HLDG GRP
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0005] In addition, beneficial microorganisms have a good effect on promoting the growth of crops, and are regarded as biological fertilizers, but no scientific, reasonable and feasible utilization methods have been found, and they have not been widely used so far.

Method used

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  • Method for wrapping fertilizer in soil granules and compound fertilizer prepared therefrom
  • Method for wrapping fertilizer in soil granules and compound fertilizer prepared therefrom
  • Method for wrapping fertilizer in soil granules and compound fertilizer prepared therefrom

Examples

Experimental program
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Embodiment Construction

[0023] Concrete steps of the present invention are:

[0024] see figure 1 : Build a fermentation tank 1 and a fermentation liquid collection tank 2, the fermentation liquid collection tank 2 is located below the fermentation tank 1, and communicates with the fermentation tank 1 through a pipeline, and a filter screen is installed at the discharge port of the fermentation tank 1, and the livestock and poultry Feces are put into the fermentation tank 1, and group beneficial microorganisms are added to carry out fermentation. The fermented liquid is filtered by the filter screen and flows into the collection tank 2 through pipelines. Then the collected fermented liquid is heated and concentrated until viscous to obtain a high-concentration colloid rich in humus. When heating, the temperature is controlled at 30-40°C, and the stirring is continued to avoid burning and carbonization of the humus.

[0025] The chemical fertilizer is added into the humus colloid and stirred to diss...

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Abstract

The invention discloses a method for wrapping fertilizer in soil granules and a compound fertilizer prepared therefrom. The method comprises the following steps of: fermenting livestock manure by utilizing group beneficial microorganisms, taking fermentation liquor to be concentrated to form humus colloid; dissolving the fertilizer in the humus colloid; then attaching fertilizer glue liquor on the surfaces of loess granules, inoculating the group beneficial microorganisms, then wrapping a semi-drying powdered organic fertilizer, and finally applying the fertilizer in soil to attach fine soil so as to form granules which take the loess granules as cores, the fertilizer glue liquor as a first intermediate layer, a bio-organic fertilizer as a second intermediate layer and the fine soil as a surface layer and can remarkably reduce fertilizer loss and improve soil conditions. The compound fertilizer has simple and convenient preparation, convenient application, low cost and good economy, and can improve peasant profits.

Description

technical field [0001] The invention relates to a fertilization method, mainly a method of wrapping chemical fertilizer in the middle of soil aggregates to reduce the loss of chemical fertilizer, and a compound fertilizer prepared by the method. Background technique [0002] Chemical fertilizer is an important measure to increase production in modern agriculture, but for a long time, the fertilization method is unscientific, only part of the chemical fertilizer is absorbed by the crops, and the rest is lost with the water in the soil, so the utilization rate is low. In order to ensure the nutrition of crops, the amount of chemical fertilizers has to be increased, but a large amount of chemical fertilizers will cause eutrophication of the water body. At the same time, nitrogen fertilizers will be converted into carcinogenic nitrite under the action of microorganisms, which will endanger human health. [0003] In the 1960s, the method of wrapping chemical fertilizers with semi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G5/00C05G3/00
Inventor 邹立基
Owner HENAN JINKAI CHEM INVESTMENT HLDG GRP
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