农业环境主要指土壤、水和大气。
Agricultural environment includes soil, water, and air environment.
生物的大多指土壤中的病菌，有害微生物，害虫。
The living part, largely, refers to bacteria in the soil, tiny harmful lifeforms, and pests.
土壤健康是指土壤处于一种良好的或正常的结构和功能状态及其动态过程。
Soil health was a kind of status or dynamic process with good and normal ecological structure and function.
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