2. Soil improvement to add nutrients to soil as a fertilizer plant fresh manure, crop, Taku ลถั่ว liming in acidic soil. Correction of saline soil area with drainage into the soil, etc.
3.Prevention of soil degradation, including cover cropping, rotation, grow plants, windbreak. Tillage contour, the embankment prevent the flow of wash the face of the earth. As well as to not burn the forest or shifting
4.To provide moisture to the soil. Drainage in the soil with water locked out delivery into the land and the use of materials such as grass or ฟางคลุม soil will help the soil fertility.
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