2. agricultural chemical usage, such as shaggy, chemical will cause soil moisture loss, stiff and tight to microorganisms in the soil, soil chemical change die insecticide residue degradation therefore often slow.
2. The use of agricultural chemicals such as fertilizers to the soil firmness. Moisture loss Dead microorganisms in the soil Soil Quality Change The pesticide residue is often slow decay.
2. The use of agricultural chemicals, such as fluffy chemical will make the soil firm. Lose moisture, soil organic จุลินทรี die soil quality change part insecticide often decays slowly. The residues.