Preparation method of functional organic fertilizer for soil restoration

A soil remediation and organic fertilizer technology, which is applied in the field of preparation of functional organic fertilizers for soil remediation, can solve problems such as agricultural economic losses, achieve the effects of enhancing moisture retention capacity, improving utilization rate, and relieving land tension

Inactive Publication Date: 2014-04-23
合肥市东方美捷分子材料技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cd, Cu, Hg, Pb, As, etc. in grains and vegetables are seriously exceeded, causing huge economic losses to agriculture

Method used

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  • Preparation method of functional organic fertilizer for soil restoration
  • Preparation method of functional organic fertilizer for soil restoration

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] 1. Preparation of functional organic fertilizer

[0038] After the straw is crushed, it is mixed with blue-green algae at a mass ratio of 1:10 to obtain a mixture, and then a biomass conversion compound bacterial agent with a mixture quality of 0.5‰ and a biomass conversion induction material with a mixture quality of 0.8‰ are added to the mixture, and mixed After uniformity, stack and ferment at room temperature for 10 days to obtain a semi-solid organic fertilizer. The semi-solid organic fertilizer obtained after fermentation is compounded and granulated with diatomite, biomass power plant carbon ash and heavy metal ion chelating agent at a mass ratio of 1000:50:50:1 to obtain a functional organic fertilizer for soil restoration.

[0039] Described biomass conversion compound microbial agent constitutes by mass percentage: 30% Pseudomonas, 30% Bacillus subtilis, 20% Aspergillus oryzae, 20% Rhizopus; The microbial living bacteria content of described biomass conversion...

Embodiment 2

[0053] 1. Preparation of functional organic fertilizer

[0054] After the straw is crushed, it is mixed with blue-green algae at a mass ratio of 5:10 to obtain a mixture, and then a biomass conversion compound bacterial agent with a mixture quality of 2‰ and a biomass conversion induction material with a mixture quality of 2.5‰ are added to the mixture, and mixed After uniformity, stack and ferment at room temperature for 8 days to obtain a semi-solid organic fertilizer. The semi-solid organic fertilizer obtained after fermentation is compounded and granulated with attapulgite, biomass carbon ash and heavy metal ion chelating agent in a mass ratio of 1000:100:150:5 to obtain a functional organic fertilizer for soil restoration.

[0055] Described biomass conversion compound microbial agent constitutes by mass percentage: 30% Pseudomonas, 30% Bacillus subtilis, 20% Aspergillus oryzae, 20% Rhizopus; The microbial living bacteria content of described biomass conversion composite ...

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Abstract

The invention discloses a preparation method of a functional organic fertilizer for soil restoration. The method comprises the following steps: mixing crushed straws with blue-green algae according to the mass ratio of (1-5):10 to obtain a mixture, and then adding a biomass-transformed complex microbial inoculant and a biomass-transformed inductive material to the mixture; evenly mixing and then carrying out conventional stacking fermentation for 5-15 days, so as to obtain a semi-solid organic fertilizer; and mixing and pelletizing the semi-solid organic fertilizer, clay, biomass carbon ash and a heavy metal ion chelating agent according to the ratio of 1000:(50-200):(50-150):(1-5), so as to obtain the functional organic fertilizer for soil restoration. The organic fertilizer disclosed by the invention has a persistent slow-release fertilizer effect, and can adsorb, chelate and immobilize the heavy metal ions in a deactivation manner, soil fleeciness is facilitated, the moisture retention and the breathability are improved, rooting of plants is facilitated, formation of beneficial components of soil microelements and the like is optimized, the heavy metal-polluted soil is effectively restored, and secondary pollution of the soil is not caused.

Description

1. Technical field [0001] The invention relates to a preparation method of a functional organic fertilizer for soil restoration, which is used for the treatment of heavy metal polluted soil. 2. Background technology [0002] Due to the excessive application of pesticides and herbicides, the disorderly discharge of industrial pollution causes the pollution of surface water and groundwater, which directly leads to the pollution of cultivated land. The area of ​​cultivated land polluted by heavy metals in my country accounts for about 1 / 5 of the total cultivated land area. In my country's sewage irrigation areas, 65% of the land is polluted by heavy metals, of which 47% are lightly polluted, 10% are moderately polluted, and 8% are severely polluted. Cd, Cu, Hg, Pb, As, etc. in grains and vegetables exceed the standard seriously, causing huge economic losses to agriculture. The most economical way to remediate heavy metal-contaminated soil is in-situ treatment, such as applying...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/80
Inventor 朱守成武艳漆静秋褚维发程世林杨宏星刘焕霞
Owner 合肥市东方美捷分子材料技术有限公司
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