soil chemical fixation

例句：

1. 1.Soil chemical fixation is a crucial process in the soil-plant-atmosphere interaction.
   土壤化学固定是土壤-植物-大气相互作用中至关重要的过程。
2. 2.The study of soil chemical fixation helps us understand how plants use nutrients from the soil.
   研究土壤化学固定有助于我们理解植物如何从土壤中获取养分。
3. 3. The process of soil chemical fixation plays a vital role in maintaining soil health and productivity.
   土壤化学固定过程在维护土壤健康和生产力方面发挥着重要作用。