Soil microorganism improvement method for enhancing water holding and fertilizer increasing and improved soil

A soil microorganism and soil improvement technology, applied in the field of soil improvement, can solve the problems of inconvenient material acquisition and complicated operation, and achieve the effects of low cost, improved crop growth, and convenient soil extraction.

Inactive Publication Date: 2015-07-01
CHINA UNIV OF MINING & TECH (BEIJING)
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it needs to use a variety of ingredients for proportioning, it is inconvenient to obtain materials, the operation is complicated

Method used

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  • Soil microorganism improvement method for enhancing water holding and fertilizer increasing and improved soil
  • Soil microorganism improvement method for enhancing water holding and fertilizer increasing and improved soil
  • Soil microorganism improvement method for enhancing water holding and fertilizer increasing and improved soil

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Embodiment Construction

[0033] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0034] First of all, it is stated that in this application, the range of coal-to-soil ratio (abbreviation for mass ratio of weathered coal to loess or sand) includes the endpoint value.

[0035] Since weathered coal contains rich humic acid as an active substance, which can promote plant growth, this example studies the effect of weathered coal on corn growth by applying weathered coal to loess.

[0036] In this example, indoor pot experiments are used to study the effects of soil with different ratios of weathered coal and loess on the growth of corn, the water use efficiency of corn, and the content of mineral elements absorbed by the aboveground part of corn, and the best mixture of weathered coal and loess is obtained. Ratio, reasonable use of weathered coal to promote corn growth....

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Abstract

The invention discloses a soil microorganism improvement method for enhancing water holding and fertilizer increasing. Decomposed coal is applied into loess or sandy soil, and arbuscular mycorrhizal fungi are added to be fully mixed. Formed improved soil comprises the loess or the sandy soil, the decomposed coal applied into the loess or the sandy soil and the arbuscular mycorrhizal fungi. The optimal proportion of the applied decomposed coal is that the mass ratio of the decomposed coal and the loess or the sandy soil is between 1:2 and 1:1. According to the soil microorganism improvement method for enhancing water holding and fertilizer increasing, the decomposed coal is applied into the soil and is mixed with the loess or the sandy soil to form different ratios, then the decomposed coal and the loess or the sandy soil is inoculated with the arbuscular mycorrhizal fungi, and an obvious promoting effect is achieved on crop growth and water utilization. Accordingly, decomposed coal resources are efficiently utilized, the soil is improved, and fertilizer increasing and water holding are achieved.

Description

technical field [0001] The invention relates to the technical field of soil improvement, in particular to a soil microbial improvement method and improved soil for enhancing water retention and fertilization effects. Background technique [0002] Weathered coal refers to coal exposed to the surface or located in the shallow layer of the surface, commonly known as outcrop coal. Due to the influence of long-term weathering, weathered coal has high oxygen content and low calorific value. However, it contains rich active substance humic acid, and humic acid has a variety of active groups (carboxyl, phenolic hydroxyl, alcoholic hydroxyl, methoxy, etc.), endowing humic acid with multiple functions, such as acidic, hydrophilic It is based on the characteristics of humic acid, such as humic acid, cation exchange property, complexation ability and high adsorption capacity, that the research on weathered coal has always been concerned by people. [0003] The research on weathered co...

Claims

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Application Information

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IPC IPC(8): A01B79/00
Inventor 毕银丽于淼全文智
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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