It is the key to protect the function of agriculturalecosystem service to check the environmental pollution.
遏止环境污染是保护农业生态系统服务功能的关键。
2
Agriculturalecosystem is a complicated man-made ecosystem and the increase of its productivity is the main object of agricultural production.
农业生态系统是复杂的人工生态系统，提高其生产力是农业生产的主要目标。
3
In agriculturalecosystem, they supply nutrients for crops with degraded plant residues and keep soil characteristics which are necessary to plant growth.