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Method for improving water retention performance of soil and reducing CO2 emission

A soil and performance technology, applied in the agricultural field, to achieve the effect of good air permeability, improved soil water holding capacity, and high mineral nutrients

Active Publication Date: 2022-03-25
FUJIAN AGRI & FORESTRY UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In terms of soil water holding capacity, previous studies have proved that long-term application of organic fertilizers can improve soil aggregate structure and soil water holding capacity, but will increase soil CO 2 emissions

Method used

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  • Method for improving water retention performance of soil and reducing CO2 emission
  • Method for improving water retention performance of soil and reducing CO2 emission
  • Method for improving water retention performance of soil and reducing CO2 emission

Examples

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Effect test

Embodiment 1

[0027] A method to improve soil water holding capacity and reduce CO 2 The irrigation technique and supporting method of discharge comprise the following steps (the parts mentioned below are parts by weight):

[0028] (1) Preparation of raw materials without pyrolysis: Mix 90 parts of humus (STANLEY, model SDL-YJYYT) and 15 parts of quicklime evenly, control the moisture content of raw materials to 60wt%, and apply 4 parts of effective microbial bacterial liquid (Junde ( JUNDE), EM008), accumulated above 26°C for 35 days in summer to form material M1;

[0029] (2) Preparation of pyrolysis raw materials: Mix 20 parts of corn stalks, 25 parts of tremella fungus residues, 15 parts of wood chips, 15 parts of forest fallen leaves, and 20 parts of biogas residues, and spread them evenly at a height of 5 cm. The solution (mass ratio of control material and ferric nitrate 100:15) is evenly sprayed on the surface of the pavement. After being thoroughly dried, 10 parts of calcium phosp...

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Abstract

According to the method for improving the water retention performance of the soil and reducing the CO2 emission, the non-pyrolysis raw material M1 and the pyrolysis raw material M2 are matched with a specific irrigation technology for use, the water retention performance of the soil is improved, the CO2 emission is reduced, and a new means is provided for water and soil loss prevention and control and farmland carbon emission reduction.

Description

technical field [0001] The invention belongs to the field of agricultural technology, in particular to a method for improving soil water holding capacity and reducing CO 2 Irrigation technology and supporting methods for discharge. Background technique [0002] In recent years, under the action of human factors (improper land use, over-cultivation, over-grazing) and natural factors (rainfall erosion, wind erosion, freeze-thaw erosion), the soil structure has been significantly damaged, leading to a decline in soil water holding capacity and increased soil erosion. . On the other hand, in the past 40 years, carbon emissions have increased sharply, the greenhouse effect has continued to strengthen, the global average temperature has continued to rise, and natural disasters have become more frequent and destructive. A large number of studies have shown that human activities, especially agricultural activities, drive the increase in carbon emissions. Important factors, irrigat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/00A01B79/02A01G22/15A01G25/02C09K17/40
CPCA01B79/00A01B79/02A01G22/15A01G25/02C09K17/40Y02P60/20
Inventor 侯毛毛金秋陈竞楠唐松岩肖颖钟凤林
Owner FUJIAN AGRI & FORESTRY UNIV
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