Poor soil respiration, fertilization, no matter how much crops can't absorb.
When crops grow in soil with poor permeability, root respiration is inhibited, which greatly weakens the ability of roots to absorb water and fertilizer. in this case, farmers can not make crops grow well even if they apply more fertilizer. Therefore, the soil with good permeability is an important prerequisite for high yield and high yield of crops, so how to improve the permeability of soil artificially?
1. Appropriate deep ploughing to loosen the soil
Timely ploughing and loosening soil can break soil consolidation, loosen soil and improve soil permeability, thus promoting root growth and development and absorption of nutrient elements.
2. Apply microbial agents to improve the soil.
Due to the continuous cultivation of crops in the soil, the consolidation is serious, the harmful bacteria are increasing, and the soil pollution is becoming more and more serious, resulting in the spread of soil-borne diseases.
The application of microbial agents can increase the content of beneficial bacteria in soil, degrade harmful substances, improve soil structure, release soil nutrients, enhance crop resistance, prevent the occurrence of soil-borne diseases from the root, and finally achieve good crop growth.
3. Apply organic fertilizer to fertilize the soil.
During the crop change period, organic fertilizer was applied to increase the content of soil organic matter, so as to promote the formation of aggregate structure and form a better soil structure.
When increasing the application of organic fertilizer, the selection of organic fertilizer such as straw and soil fertilizer can increase the non-capillary pores in the soil and improve the ventilation of the soil.
4. Choose scientific watering and drainage methods
When watering, choose a reasonable irrigation method to reduce the damage to the soil structure, to avoid flood irrigation, can adopt small water irrigation or drip irrigation and other watering methods.
It is also necessary to establish a reasonable drainage and irrigation system to discharge the retained water in the soil in time, maintain appropriate soil moisture and maintain good soil permeability.
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