Soil samples were collected, not interfere with the structure will be weighed before and after the baking temperature of 105° c for a period of 24 hours or until the weight is fixed, and then calculate the total density of the soil, and soil samples were collected in interfere with the structure of soil preparation and must pass before. By bringing soil to dry in the shade. Select the material, not the soil. When the soil is dry, grind and sieve from 2 mm through Ron, and then analyzed the properties of soil organic carbon and total quantity in soil (table 3.1)
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