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A kind of soil microenvironment induction method

A micro-environment and soil technology, applied in the field of soil preparation methods, restoration of polluted soil, agricultural machinery and tools, etc.

Active Publication Date: 2022-02-18
FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Purely physical or chemical methods are not enough to solve the problem of large-scale heavy metal pollution, and soil-based methods also have limitations in cost and manpower

Method used

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  • A kind of soil microenvironment induction method
  • A kind of soil microenvironment induction method
  • A kind of soil microenvironment induction method

Examples

Experimental program
Comparison scheme
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Embodiment

[0030] see figure 1 , a soil microenvironment induction method provided by the embodiments of the present invention, such as figure 1 As shown, the method includes fertilizing: adding a certain amount of base fertilizer and biological humic acid slow-control mixed fertilizer to the soil where the edible crops are to be planted, and the base fertilizer is used to provide various nutrients required by the edible crops; The above-mentioned biological humic acid slow-control mixed fertilizer is used to realize the soil test formula fertilization of the slow-control fertilizer; specifically, the multiple nutrient elements include at least nitrogen, phosphorus, and potassium. The nutrient element standard contained in the base fertilizer is N: ≥ 150 mg / kg, P 2 o 5 ≥100mg / kg, K 2 O≥300mg / kg. The base fertilizer includes urea, KH 2 PO 4 、KNO 3 . It is conceivable that the base fertilizer can also be a commercially available compound fertilizer. Add biological humic acid slow ...

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Abstract

The invention discloses a soil microenvironment induction method, which can achieve the purpose of repairing heavy metal polluted soil, and at the same time can ensure high-yield and harmless edible crops. Low molecular organic acids can change the physical and chemical properties of rhizosphere soil, promote the absorption of nutrients by plants, etc., and have important ecological functions in the soil environment. The use of organic acids in the soil can promote the absorption of heavy metals in the aboveground parts of the plants, and have the effect of strengthening the repair. The combination of plants and exogenous organic acids can make full use of beneficial microorganisms in plants or in the rhizosphere, and enhance the tolerance of plants to environmental pollutants and other adversities, thereby effectively enhancing the ability of the symbiosis system to repair the environment, and can also regulate the root The pH value, chelation and other ways affect the dissolution of heavy metals in soil.

Description

technical field [0001] The invention relates to the technical field of soil improvement, in particular to a soil microenvironment induction method. Background technique [0002] Soil is the main substrate for plant growth and reproduction. If you want to do a good job in planting, the quality of plant growth, the level of yield, and the quality of agricultural products all have an important impact on economic benefits. The yield and quality of crops are closely related to the soil microenvironment. Due to the influence of different soil-forming factors, different soils have different physical and chemical properties and characteristics. Each type of soil is correspondingly characterized by its microbiota. But it's worth pointing out that there are many different microenvironments within the same soil. These microenvironments have obvious effects on the survival and development of organisms. There are many microenvironments in a very small amount of soil or a section of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09C1/10B09C1/08A01B79/02
CPCB09C1/105B09C1/08A01B79/02B09C2101/00
Inventor 乔冬梅陆红飞齐学斌胡超李中阳赵志娟
Owner FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI
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