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Preparation method of saline and alkaline garden soil improver

A soil improver and salinization technology, which is applied in the field of preparation of soil improver for salinized gardens, can solve problems such as poor quality, waste of plant resources, limited urban construction funds, and inhibition of plant growth, so as to promote growth , improve soil structure, improve the effect of salinization

Inactive Publication Date: 2017-02-01
INST OF GEOCHEM CHINESE ACADEMY OF SCI
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Problems solved by technology

Unqualified soil will inhibit the growth of plants, increase the infection rate of plant diseases and insect pests, reduce the survival rate and ornamental value of plants, and increase the difficulty and cost of later maintenance, thus wasting precious plant resources and limited urban construction funds , thus affecting the full play of plant ecological and social benefits, let alone the sustainable development of urban construction
[0003] At present, my country's urban green space soil is facing problems such as less available soil and poor quality, and the lax implementation of soil standards in the implementation of urban green space leads to the mixing of various construction and domestic waste, and factors such as cement weathering lead to a large amount of Ca 2+ Released into the soil, causing the carbonate in the soil to form bicarbonate, which leads to the salinization of urban green space soil

Method used

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  • Preparation method of saline and alkaline garden soil improver
  • Preparation method of saline and alkaline garden soil improver
  • Preparation method of saline and alkaline garden soil improver

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Embodiment Construction

[0021] Below in conjunction with specific embodiment, further illustrate the present invention.

[0022] A preparation method for saline-alkali garden soil improver, characterized in that the method comprises the following steps:

[0023] Step 1, preparation of sludge biochar:

[0024] After the sludge is recovered, it is air-dried and passed through a 2mm sieve, and then heated in a closed manner at a heating rate of 10°C / min. After reaching 450°C, it is stable for 0.5h, and then it is naturally cooled to room temperature and taken out for use;

[0025] Step 2, selection of phosphogypsum:

[0026] Pass the phosphogypsum through a 2mm sieve and remove the sundries, then air-dry it under natural conditions to keep its water content below 10%, and set aside;

[0027] Step 3, prepare salinized garden soil,

[0028] Air-dry the garden soil under natural conditions to make the water content less than 10%, remove the sundries, and pass through a 2mm sieve for later use;

[0029]...

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Abstract

A preparation method of a saline and alkaline garden soil improver comprises the following steps: 1, preparing sludge biochar; 2, selecting phosphogypsum; and 3, preparing the soil improver. The soil improver can effectively improve the quality of soil and promote the growth of plants.

Description

technical field [0001] The patent of the present invention relates to a preparation method of a soil improver for salinized gardens. Background technique [0002] During the implementation of urban landscaping, soil, as an important part of the urban ecosystem, is the growth medium and nutrient supplier of urban plants, the habitat of soil microorganisms, and the gathering place and purifier of urban pollutants. Therefore, the secret to a healthy and lush urban landscape is good soil quality, and soil fertility is an important start to building a sustainable landscape. Unqualified soil will inhibit the growth of plants, increase the infection rate of plant diseases and insect pests, reduce the survival rate and ornamental value of plants, and increase the difficulty and cost of later maintenance, thus wasting precious plant resources and limited urban construction funds , thus affecting the full play of plant ecological benefits and social benefits, let alone the sustainabl...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/02
CPCC09K17/02C09K2101/00
Inventor 刘涛泽刘邦煜丁虎张丽丽王晓丹灌谨张立华
Owner INST OF GEOCHEM CHINESE ACADEMY OF SCI
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