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Method for improving saline and alkaline land by using ardealite+tetrametilenpentaurea+EDTA (Ethylene Diamine Tetraacetic Acid)+biological bacteria

A technology of tetramethylene pentaurea and saline-alkali land, applied in the field of saline-alkali land treatment, can solve the problems of inability to be popularized in a large area, poor treatment effect, complex production process, etc., to increase water permeability, reduce salt content, and reduce soil bulk density Effect

Inactive Publication Date: 2015-12-30
GUIZHOU KAILIN GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many soil amendments for chemical treatment of soil salinization, such as gypsum, calcium sulfate, superphosphate, industrial waste phosphogypsum, industrial waste acid, organic fertilizer, humic acid, fly ash, peat, fermented vinegar These have achieved certain effects on improving saline-alkali land. More commonly used are organic fertilizers and gypsum, of which gypsum is made of Ca 2+ Substitution of Na + And use acid to neutralize alkali to improve saline-alkali land; but limited by complex production process, poor treatment effect and other conditions, it cannot be popularized in a large area

Method used

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  • Method for improving saline and alkaline land by using ardealite+tetrametilenpentaurea+EDTA (Ethylene Diamine Tetraacetic Acid)+biological bacteria
  • Method for improving saline and alkaline land by using ardealite+tetrametilenpentaurea+EDTA (Ethylene Diamine Tetraacetic Acid)+biological bacteria
  • Method for improving saline and alkaline land by using ardealite+tetrametilenpentaurea+EDTA (Ethylene Diamine Tetraacetic Acid)+biological bacteria

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] 1. Raw material preparation

[0039] Phosphogypsum;

[0040] Tetramethylene pentaurea, its structural formula is:

[0041]

[0042] oxalic acid;

[0043] Hydroxymethylcellulose;

[0044] EDTA;

[0045] straw;

[0046] Microorganisms can be selected from at least one of Bacillus subtilis, salt-tolerant Azospirillum brasiliensis, salt-tolerant Klebsiella nitrogen-fixing bacteria, saline-alkali phosphate-resistant bacterium Trichoderma reesei, and alkaliphilic bacteria. In this embodiment, Bacillus subtilis is selected. The number of living bacteria of biological bacteria is 1×10 3～4 More than cfu / g;

[0047]Animal manure can be selected from pig manure, cow manure, chicken manure, sheep manure, etc. In this embodiment, pig manure is selected.

[0048] 2. A method for improving saline-alkali land with phosphogypsum+tetramethylenepenturea+EDTA+biological bacteria, comprising the following steps:

[0049] (1) For the production of material A, the straw is crushed,...

Embodiment 2

[0059] 1. Raw material preparation

[0060] Phosphogypsum;

[0061] Tetramethylene pentaurea, its structural formula is:

[0062]

[0063] oxalic acid;

[0064] Hydroxymethylcellulose;

[0065] EDTA;

[0066] straw;

[0067] Microorganisms can be selected from at least one of Bacillus subtilis, salt-tolerant Azospirillum brasiliensis, salt-tolerant Klebsiella nitrogen-fixing bacteria, saline-alkali phospholytic bacteria Trichoderma reesei, and alkaliphilic bacteria. In this embodiment, Bacillus subtilis and Salt-tolerant nitrogen-fixing Klebsiella, the number of live bacteria of each biological bacteria is 1×10 3～4 More than cfu / g;

[0068] Animal manure can be selected from pig manure, cow manure, chicken manure, sheep manure, etc. In this embodiment, pig manure is selected.

[0069] 2. A method for improving saline-alkali land with phosphogypsum+tetramethylenepenturea+EDTA+biological bacteria, comprising the following steps:

[0070] (1) For the production of mate...

Embodiment 3

[0080] 1. Raw material preparation

[0081] Phosphogypsum;

[0082] Tetramethylene pentaurea, its structural formula is:

[0083]

[0084] oxalic acid;

[0085] Hydroxymethylcellulose;

[0086] EDTA;

[0087] straw;

[0088] Microorganisms, at least one of Bacillus subtilis, salt-tolerant Azospirillum brasiliensis, salt-tolerant Klebsiella nitrogen-fixing bacteria, saline-alkali phospholytic bacteria Trichoderma reesei, and alkaliphilic bacteria can be selected. In this embodiment, Bacillus subtilis, Bacillus subtilis, salt-tolerant Azospirillum brasiliensis, salt-tolerant Klebsiella nitrogen-fixing bacteria, salt-alkali phosphate-tolerant Trichoderma reesei, alkaliphilic bacteria, the number of viable bacteria for each biological bacteria is 1×10 3～4 More than cfu / g;

[0089] Animal manure can be selected from pig manure, cow manure, chicken manure, sheep manure, etc. In this embodiment, pig manure is selected.

[0090] 2. A method for improving saline-alkali land w...

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Abstract

The invention provides a method for improving a saline and alkaline land by using ardealite+tetrametilenpentaurea+EDTA (Ethylene Diamine Tetraacetic Acid)+biological bacteria. The method comprises the following steps: treating by using ardealite, and treating with tetrametilenpentaurea, oxalic acid and hydroxymethyl cellulose, treating with EDTA, and treating with the mixture of straws and the biological bacteria. With the adoption of the method for improving the saline and alkaline land, saline and alkaline soil can be rapidly improved and is suitable for the growth of crops; an application range of a modifying agent is relatively wide and the modifying agent is suitable for soil improvement of soil salinization caused by different regions and different reasons and is applied into the soil reasonably, so that the soil structure can be improved, the alkalinity of the soil is reduced and the salt discharging rate of the soil is improved; and the fertility of the soil is improved, the growth of the crops is facilitated and the agricultural economy is improved.

Description

technical field [0001] The invention relates to the technical field of saline-alkali land treatment, in particular to a method for improving saline-alkali land by using phosphogypsum+tetramethylenepenturea+EDTA+biological bacteria. Background technique [0002] Saline-alkali land is a general term for saline soil, alkaline soil and various salinized and alkalized soils. Saline soil refers to the soil in which the soluble salt content in the soil reaches a certain level, which can cause obvious harm to the growth and development of plants. Alkaline soil refers to the soil that contains a large amount of exchangeable ions in the soil, and the amount reaches the level that can harm the growth and development of plants and change the soil properties. In actual conditions, saline soil and alkaline soil often coexist in a mixed form, collectively referred to as saline-alkali soil. [0003] Saline-alkali land is an important land resource, and it is a soil type widely distributed...

Claims

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Application Information

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IPC IPC(8): A01B79/02C09K17/40C09K109/00
Inventor 王国维陈彬赵先明孙志梅廖吉星魏发展
Owner GUIZHOU KAILIN GRP CO LTD
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