soil disinfection

例句：

1. 1. Soil disinfection is essential for preventing disease in agriculture.
   土壤消毒对于农业防止疾病至关重要。
2. 2. The farmers used to use a chemical to disinfect the soil before planting.
   农民过去在种植前使用一种化学物质来消毒土壤。
3. 3. The new method of soil disinfection has greatly improved the quality of crops.
   新土壤消毒方法大大提高了作物的质量。