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Immobilized nutrient soil particle as well as preparation method and application thereof

A technology for immobilizing and nourishing soil, applied in the field of soil, can solve problems such as unreasonable grazing, woodcutter mining and reclamation, unsuitable vegetation planting and growth, and decrease in organic matter content, and is conducive to the restoration and improvement of soil fertility and vitality. The effect of soil tillage and nutrient retention

Inactive Publication Date: 2021-03-02
天津市滨海新区环境创新研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Affected by natural factors and artificial unreasonable reclamation factors, soil desertification is becoming more and more serious. Unreasonable grazing, firewood harvesting and reclamation have seriously damaged the natural vegetation of the original sandy land, showing a decline in organic matter content, a lack of nutrient elements, and soil structure. Destruction and thinning of the soil layer can lead to serious desertification of the soil, which is no longer suitable for the planting and growth of vegetation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] An immobilized nutrient soil particle and its preparation method and application, comprising the following steps:

[0037] 1) Process the river bottom mud to make its moisture content reach 40%, and screen the river bottom mud particle size to be 300 mesh;

[0038] 2) The concentration of lactic acid bacteria is made into 10 9 cells / mL microbial agent, and then mixed evenly with the organic fertilizer after decomposing and sterilizing treatment according to the ratio of 1:30 in mass ratio, to prepare the mixed agent material; After mixing the mud and the microbial agent at a mass ratio of 60:1, roll the ball to granulate, and use the droplet formed by the spray of the microbial agent as the core during the rolling granulation process, and then dry the granulated particles hardening to obtain immobilized nutrient soil particles A;

[0039] 3) Mix the river channel bottom mud and chemical fertilizer evenly according to the mass ratio of 60:1, extrude and granulate, and ...

Embodiment 2

[0043] An immobilized nutrient soil particle and its preparation method and application, comprising the following steps:

[0044] 1) process the river bottom mud to make its water content to 20%, and screen the river bottom mud particle size to be 100 mesh;

[0045] 2) The yeast is made into a concentration of 10 7cells / mL microbial agent, and then mixed evenly with organic fertilizer after high-temperature sterilization at a mass ratio of 1:50 to obtain a mixed agent material; After mixing the mud and the microbial agent at a mass ratio of 20:1, roll the ball to granulate, and use the droplet formed by the spray of the microbial agent as the core during the rolling granulation process, and then dry the granulated particles hardening to obtain immobilized nutrient soil particles A;

[0046] 3) Mix the river bottom mud and chemical fertilizer evenly according to the mass ratio of 20:1, extrude and granulate, and dry and harden to obtain immobilized nutrient soil granules B; ...

Embodiment 3

[0050] An immobilized nutrient soil particle and its preparation method and application, comprising the following steps:

[0051] 1) Process the river bottom mud to make its moisture content reach 60%, and screen the river bottom mud particle size to be 500 mesh;

[0052] 2) The concentration of bacillus was made into 10 11 cells / mL microbial agent, and then mixed evenly with organic fertilizer after high-temperature sterilization at a mass ratio of 1:10 to obtain a mixed agent material; After the mass ratio of mud and microbial agent is 100:30, the mass ratio is 100:30, and the ball is granulated, and the droplet formed by spraying the microbial agent is used as the core during the rolling granulation process, and then the granulated particles are dried hardening to obtain immobilized nutrient soil particles A;

[0053] 3) Mix the river bottom mud and chemical fertilizer evenly according to the mass ratio of 100:30, extrude and granulate, and dry and harden to obtain immobi...

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Abstract

The invention discloses an immobilized nutrient soil particle as well as a preparation method and application thereof, belonging to the technical field of soil. The immobilized nutrient soil particlespecifically comprises the following raw materials in parts by weight: 20-100 parts of river sediments, 10-50 parts of an organic fertilizer, 1-30 parts of a microbial agent and 1-30 parts of a chemical fertilizer. The preparation method comprises the following steps: uniformly mixing the decomposed organic fertilizer with the microbial agent, the dehydrated river sediments and the chemical fertilizer, and successively conducting granulating, drying and hardening to obtain the immobilized nutrient soil particle. When the nutrient soil particle is used, the nutrient soil particle is uniformly spread on the surface of desertified soil, and then turf is spread on the surface of the immobilized nutrient soil particle. According to the method, rich trace elements such as Ca, Mg, Zn, Cu and Fe and organic matters contained in the sediments can be returned to natural environment for circulation again, so an effective way is provided for recycling of the river sediments, and meanwhile, an effective solution is provided for recovery of barren soil and desertified soil.

Description

technical field [0001] The invention relates to the field of soil technology, and more specifically relates to an immobilized nutrient soil particle and a preparation method and application thereof. Background technique [0002] The main process of soil desertification is wind erosion and wind accumulation process. Due to vegetation destruction or grassland overgrazing or reclamation, the soil loses water and becomes dry, soil particles are scattered and eroded by wind, and the content of fine particles decreases. In the section where the wind passes or weakens, the sand particles gradually accumulate on the soil surface to make the soil sandy. Affected by natural factors and artificial unreasonable reclamation factors, soil desertification is becoming more and more serious. Unreasonable grazing, firewood harvesting and reclamation have seriously damaged the natural vegetation of the original sandy land, showing a decline in organic matter content, a lack of nutrient element...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/80C05G5/12
CPCC05F3/00C05G3/80C05G5/12C05F5/002C05F7/00C05F11/00C05F11/08C05G1/00
Inventor 乔丽丽闫祯
Owner 天津市滨海新区环境创新研究院
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