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Soil conditioner for saline-alkali soil

A soil conditioner and saline-alkali soil technology, applied in soil conditioning materials, organic fertilizers, fertilizer mixtures, etc., can solve the problems of single action, strong evaporation, secondary soil salinization, etc., to improve the content of beneficial microorganisms and avoid soil compaction , the effect of increasing water and fertilizer content

Inactive Publication Date: 2015-11-11
ZHANGJIAGANG HONGJIA DIGITAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, in arid and semi-arid areas, due to the continental climate, precipitation is scarce, and evaporation is strong. If irrigation measures are not appropriate, such as large amounts of fertilizer input, secondary soil salinization is also prone to occur.
[0003] Existing products for soil improvement have only a single function, and the methods of adding organic fertilizers or microbial fertilizers are mostly used to achieve soil improvement, which cannot fundamentally change the growth environment of crops, causing repeated occurrences of saline-alkali, and the effect of improving saline-alkali land is not good. Obviously, it cannot meet the requirements of agricultural planting

Method used

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  • Soil conditioner for saline-alkali soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A soil conditioner for saline-alkali land, the composition of the soil conditioner in parts by mass is as follows: 10 parts of fulvic acid salt, 12 parts of black humate, 6 parts of fermented soybean straw, 10 parts of wheat bran, nitrification inhibitor 0.02 parts, 0.6 parts of microbial flora, 10 parts of vermiculite, 2.8 parts of water retaining agent.

[0025] The nitrification inhibitor is selected from 2-methyl-4,6-bis(trichlorotoluene)-s-triazine.

[0026] The microbial flora is a mixture of photosynthetic flora, Gram-positive actinomycetes, and Aspergillus, with a quantitative ratio of 1:1.2:1.2.

[0027] Described microbial flora adopts following method to make:

[0028] (1) Medium preparation: mix starch, humus, peat, potassium chloride and magnesium sulfate in proportion, adjust the pH to 7.0-7.2, then sterilize at 120-125°C for 45min, cool to 30°C to obtain the desired culture base;

[0029] (2) Inoculate the culture medium sheets prepared in step (1) wit...

Embodiment 2

[0032] A soil conditioner for saline-alkali land, the composition of the soil conditioner in parts by mass is as follows: 12 parts of fulvic acid salt, 15 parts of black humate, 8 parts of fermented soybean straw, 12 parts of wheat bran, nitrification inhibitor 0.03 parts, 0.8 parts of microbial flora, 12 parts of vermiculite, 3.2 parts of water retaining agent.

[0033] The nitrification inhibitor is a mixture of 2-amino-4-chloro-9-picoline and dicyandiamide, the mass ratio of which is 1:1.2.

[0034] The microbial flora is a mixture of photosynthetic flora, Gram-positive actinomycetes, and Aspergillus, with a quantitative ratio of 1:1.3:1.3.

[0035] Described microbial flora adopts following method to make:

[0036] (1) Medium preparation: mix starch, humus, peat, potassium chloride and magnesium sulfate in proportion, adjust the pH to 7.0-7.2, then sterilize at 120-125°C for 50min, cool to 30°C to obtain the desired culture base;

[0037] (2) Inoculate the culture mediu...

Embodiment 3

[0040] A soil conditioner for saline-alkali land, the composition of the soil conditioner in parts by mass is as follows: 15 parts of fulvic acid salt, 16 parts of black humate, 8 parts of fermented soybean straw, 12 parts of wheat bran, nitrification inhibitor 0.05 parts, 1.5 parts of microbial flora, 15 parts of vermiculite, 4.2 parts of water retaining agent.

[0041] The nitrification inhibitor is selected from 2-amino-4-chloro-9-picoline and dicyandiamide with a mass ratio of 1:1.5.

[0042] The microbial flora is a mixture of photosynthetic flora, Gram-positive actinomycetes, and Aspergillus, with a quantitative ratio of 1:1.3:1.4.

[0043] Described microbial flora adopts following method to make:

[0044] (1) Medium preparation: mix starch, humus, peat, potassium chloride and magnesium sulfate in proportion, adjust the pH to 7.0-7.2, then sterilize at 120-125°C for 60min, cool to 30°C to obtain the desired culture base;

[0045] (2) Inoculate the culture medium shee...

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Abstract

The invention relates to the technical field of soil improvement, in particular to a soil conditioner for saline-alkali soil. The soil conditioner comprises the following components in parts by mass: 10-20 parts of yellow humate, 12-18 parts of black humate, 6-12 parts of soybean straw ferment, 10-15 parts of wheat bran, 0.01-0.08 part of a nitrification inhibitor, 0.6-2.4 parts of microbial flora, 10-20 parts of vermiculite and 2.8-5.6 parts of a water retention agent. The acid activated expanded vermiculite added into the soil conditioner has a relatively big specific surface area and can effectively adsorb water manures in soil and promote the content of the water manures in the soil; the yellow humate and the black humate added in the soil conditioner are used together and can effectively maintain the looseness of the soil to avoid soil hardening; the soybean straw ferment and the wheat bran added in the soil conditioner can provide an energy source for microbes in the soil and improve the content of beneficial microbes in the soil, thereby improving the properties of the soil.

Description

technical field [0001] The invention relates to the technical field of soil improvement, in particular to a soil conditioner for saline-alkali land. Background technique [0002] Saline-alkali soil or alkaline soil (alkaline soil) and other saline soil is a type of soil in which the concentration of soluble salts or substitutable sodium ions in the soil reaches a certain level, which makes the pH of the soil high and makes it difficult for crops to grow. The problem of soil salinization is widespread in the world. There are about 27 million hectares of saline land in my country, of which 60 million hectares are cultivated land and 21 million hectares are saline-alkali wasteland, mainly distributed in Northeast China and North China. , the northwest inland area and the coastal area north of the Yangtze River. In addition, in arid and semi-arid areas, due to the continental climate, precipitation is scarce, and evaporation is strong. If irrigation measures are not appropriate,...

Claims

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Application Information

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IPC IPC(8): C09K17/00C09K109/00
Inventor 范佳晨徐靖赵维达徐丹徐凯
Owner ZHANGJIAGANG HONGJIA DIGITAL TECH
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