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Conditioner for steppe soil of mud flat saline-alkaline land, and preparation method thereof

A technology of saline-alkali land and improver, which is applied in the direction of fertilizer mixture, fertilization device, application, etc., can solve the problems of immature technology, difficult to popularize and promote in a large area, and achieve the purpose of suppressing repeated saline-alkali, improving the ecological environment, and preventing re-salination staining effect

Inactive Publication Date: 2019-08-23
北京中农煦丰生态科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such as planting grass, filling mulch, planting genetically modified plants, cultivating crops, digging ditches in Taiwan, fresh water desalination, etc. Although the above methods have achieved certain results, the technology is still immature, and it is difficult to meet certain conditions and cost constraints. Widespread popularization and promotion

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  • Conditioner for steppe soil of mud flat saline-alkaline land, and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0034] A improver for saline-alkali steppe soil in tidal flats, comprising the following raw materials in parts by weight: 60 kg of blocking agent, 3 kg of acid regulator, 40 kg of organic fertilizer, and 0.01 kg of microbial agent.

[0035] The preparation method of the improver for the tidal flat saline-alkali steppe soil comprises the following steps:

[0036] (1) Prepare the blocker, mix and stir the raw materials contained in the blocker evenly to obtain the blocker;

[0037] (2) mixing and stirring the acid regulator and the organic fertilizer evenly to obtain a mixed material; adding an blocking agent to the mixed material, stirring and mixing for reaction, and compounding and granulating after the reaction is completed to obtain a granule;

[0038] (3) Add microbial agent to the granules obtained in step (2), and mix uniformly to obtain the improvement agent for tidal flat saline-alkali steppe soil.

Embodiment 2

[0040] An improvement agent for saline-alkali steppe soil in tidal flats, comprising the following raw materials in parts by weight: 50 kg of blocking agent, 1 kg of acid regulator, 46 kg of organic fertilizer, and 0.03 kg of microbial agent;

[0041] The blocking agent is composed of inorganic nanomaterials and fillers;

[0042] The acid regulator is composed of hydrolyzed polymaleic anhydride, phosphoric acid and oxalic acid;

[0043] The organic fertilizer is composed of humic acid and fulvic acid;

[0044] The microbial bacterial agent is composed of extreme halophilic bacteria and Trichoderma;

[0045] The preparation method of the improver for the tidal flat saline-alkali steppe soil comprises the following steps:

[0046] (1) Prepare the blocker, mix and stir the raw materials contained in the blocker evenly to obtain the blocker;

[0047] (2) Stir the acid regulator and the organic fertilizer for 40 minutes at a stirring temperature of 25°C to obtain a mixed materia...

Embodiment 3

[0050] An improvement agent for saline-alkali grassland soil in tidal flats, comprising the following raw materials in parts by weight: 55 kg of blocking agent, 2 kg of acid regulator, 43 kg of organic fertilizer, and 0.02 kg of microbial agent;

[0051] The blocking agent is composed of inorganic nanomaterials and fillers; the inorganic nanomaterials are fly ash, the fillers are zeolite powder, and the weight ratio of the inorganic nanomaterials to the fillers is 7:5; the acidic The conditioner is composed of hydrolyzed polymaleic anhydride and phosphoric acid; the weight ratio of the hydrolyzed polymaleic anhydride and phosphoric acid is 1:2; the organic fertilizer is composed of humic acid and yellow humic acid; the humic acid and The weight ratio of fulvic acid is 40:8. The microorganisms contained in the microbial inoculum include extreme halophiles and Trichoderma; the extreme halophiles are Aspergillus terreus strains, and the Trichoderma is Trichoderma harzianum.

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Abstract

The invention discloses a conditioner for steppe soil of mud flat saline-alkaline land, and a preparation method thereof. The conditioner for grassland comprises a blocking agent, an acid regulator, an organic fertilizer and a microbial agent. Aspergillus hyphae are used to wrap soil particles with a network structure in order to form a biologically-active soil aggregate structure, and Aspergillusflora and the blocking agent act together to promote the formation of soil micro-aggregates in order to improve the physical properties of soil, such as the structure and the permeability; and an inert material and organic metabolites are organically integrated to improve the soil texture and accelerate the ripening of a tillage layer, spontaneously form a saline-alkaline isolation layer at the plow ground layer, inhibit saline-alkaline recovery and prevent the salinization of repaired soil, so the purpose of fundamental control of the saline-alkaline land is achieved.

Description

technical field [0001] The invention relates to the technical field of soil improvement, in particular to an improver for tidal flat saline-alkali steppe soil and a preparation method thereof. Background technique [0002] Grassland is one of the earth's ecosystems, divided into tropical grassland, temperate grassland and other types, and is the most widely distributed vegetation type on the earth. With the development of human society, ecological deterioration is becoming more and more serious, threatening the foundation of the survival of the vast biosphere including human beings. Grassland degradation and compaction are one of the manifestations of ecological deterioration. The arid and semi-arid climate has caused the fragility of the grassland vegetation ecosystem, and the degradation and compaction of the grassland caused by overgrazing has been serious and difficult to manage, and the trend is not optimistic. [0003] The improvement of saline-alkali land is a worldw...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/00C05G3/80
CPCC05G3/00C05D9/00C05G3/80
Inventor 史洋张森林陈振东陶泓宇
Owner 北京中农煦丰生态科技有限公司
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