Composite fertilizer-keeping nutrient soil prepared from biogas residues and biogas liquids and preparation method thereof

A technology of nutrient soil and biogas residue, which is applied in the field of plant tissue culture, can solve the problems of less late-acting components and low utilization efficiency of composite nutrient soil, and achieve the effects of increasing fertilizer retention capacity, low cost and light load.

Inactive Publication Date: 2011-10-19
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problems of less late-acting components and low utilization efficiency of the existing composite nutrient soil, the present invention uses biogas residue as the main raw material, and according to the effective components such as nitrogen, phosphorus, and potassium required by crops and the required porosity and Density, providing a compound fertilizer-preserving nutrient soil prepared from biogas residue and biogas slurry and its method, realized by the following technical scheme

Method used

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  • Composite fertilizer-keeping nutrient soil prepared from biogas residues and biogas liquids and preparation method thereof
  • Composite fertilizer-keeping nutrient soil prepared from biogas residues and biogas liquids and preparation method thereof
  • Composite fertilizer-keeping nutrient soil prepared from biogas residues and biogas liquids and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Mix 300kg of biogas residue, 100kg of sawdust, 100kg of bone meal, 488.9kg of soil, 0.1kg of potassium permanganate, 1kg of ferrous sulfate, and 10kg of inorganic fertilizer (ammonium sulfate), and crush until the particle size is less than 0.5mm. The solid-phase air-dried matter of human and livestock manure and biogas fermentation residues of crop stalks for 60 days, then add 400L biogas slurry to the mixture and stir evenly, and after 30 days of anaerobic fermentation at room temperature, the biogas residue and biogas slurry are obtained. Composite fertilizer-preserving nutrient soil.

[0024] The mass percent content of each component in the gained compound fertilizer-preserving nutrient soil is as follows: biogas residue 30%, sawdust 10%, bone meal 10%, soil 48%, potassium permanganate 0.01%, ferrous sulfate 0.1%, inorganic fertilizer 1% , biogas slurry 400L.

Embodiment 2

[0026] Mix 200kg of biogas residue, 120kg of sawdust, 120kg of bone meal, 353.16kg of soil, 0.04kg of potassium permanganate, 0.4kg of ferrous sulfate, 6.4kg of inorganic fertilizers (superphosphate and potassium chloride), and crush until the particle size is less than 0.5 mm, wherein the biogas residue is the solid-phase air-dried product of the biogas fermentation residue of human and animal manure that produced gas for 70 days, then added 240L biogas slurry to the mixture and stirred evenly, and after 20 days of anaerobic fermentation at normal temperature, the biogas residue and Composite fertilizer-preserving nutrient soil prepared from biogas slurry.

[0027] The mass percent content of each component in the gained compound fertilizer-preserving nutrient soil is as follows: biogas residue 25%, sawdust 15%, bone meal 15%, soil 44.145%, potassium permanganate 0.005%, ferrous sulfate 0.05%, inorganic fertilizer 0.8% , biogas slurry 240L.

Embodiment 3

[0029] Mix 350kg of biogas residue, 124.32kg of sawdust, 120kg of bone meal, 400kg of soil, 0.08kg of potassium permanganate, 0.6kg of ferrous sulfate, and 5kg of inorganic fertilizer (potassium chloride), and crush until the particle size is less than 0.5mm. It is the solid-phase air-dried product of biogas fermentation residues of crop straws that have produced gas for 80 days, then add 500L biogas slurry to the mixture and stir evenly, and after 25 days of anaerobic fermentation at room temperature, a compound prepared from biogas residue and biogas slurry is obtained. Nutritious soil.

[0030] The mass percent content of each component in the gained compound fertilizer-preserving nutrient soil is as follows: biogas residue 35%, sawdust 12.432%, bone meal 12%, soil 40%, potassium permanganate 0.008%, ferrous sulfate 0.06%, inorganic fertilizer 0.5% , biogas slurry 500L.

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Abstract

The invention provides a method for preparing composite fertilizer-keeping nutrient soil by using biogas residues and biogas liquids. The method comprises the following steps: mixing the biogas residues, sawdust, bone meal, soil, potassium permanganate, ferrous sulfate and an inorganic fertilizer, and smashing the mixture; and adding the biogas liquids in the mixture for evenly stirring, and carrying out anaerobic fermentation for 20-30 days at the room temperature so as to obtain the composite fertilizer-keeping nutrient soil prepared from the biogas residues and biogas liquids. The composite nutrient soil has the characteristics that loading is low, the volume weight is low, and the porosity is large; nutrient components are comprehensive and delayed-acting and quick-acting nutrient components are contained simultaneously; the fertilizer-keeping effect is good, the times of fertilizing and watering are decreased, the watering is carried out once each half month, and the fertilizer is applied once each year; the application range is wide, and the composite nutrient soil can be used in roofs, courtyards and potting flowers and plants; and the cost is low. Most of the raw materialsfor the composite nutrient soil are agricultural solid wastes, and the preparation process is simple.

Description

technical field [0001] The invention relates to a preparation method of nutrient soil for cultivation, in particular to a compound fertilizer-preserving nutrient soil prepared from biogas residue and biogas slurry and a method thereof, belonging to the technical field of plant tissue culture. Background technique [0002] There are more and more flower lovers in cities, but the source of soil is more and more limited. This invention provides flower lovers with a kind of high-efficiency fertilizer-preserving compound nutrient soil with good moisturizing effect and stable release of nutrients. Its cost is low and can be used on roofs , garden, growing of potted plants. Beautifying the urban living environment and improving the quality of the urban ecological environment have huge ecological, economic and social effects. The soil quality of the high-efficiency fertilizer-keeping and moisturizing compound nutrient soil is the key to plant growth. There are many types of compou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05F5/00
CPCY02A40/20Y02E50/30Y02W30/40
Inventor 宁平王向宇高袖瞿广飞祝敏平李芳
Owner KUNMING UNIV OF SCI & TECH
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