| 摘要 |
PURPOSE: A method for controlling air-permeability and moisturizing power of sand or soil is provided, to reduce the damage of plants due to drought. CONSTITUTION: The method comprises the steps of adding 5-20 wt% of zeolite with tie size of 0.5 mm or less to and or soil when the moisturizing power is increased with maintaining the air-permeability. The method comprises the steps of adding 20-50 wt% of zeolite with tie size of 0.5 mm or less to and or soil when the moisturizing power is increased with lowering the air-permeability. The method comprises the steps of adding 5-70 wt% of zeolite with tie size of 1-3 mm to and or soil when the moisturizing power is increased with maintaining or increasing the air-permeability. |
