It provides the scientific theory basis for the popularizing applications of Chinese herb feed additives in porker production of non-environmental pollution and control of residues of medicine.

试验结果为中药饲料添加剂在药残控制无公害生猪生产的应用推广提供了科学理论依据。

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The necessity and feasibility of special environmental economic policies to control agricultural non-point source pollution were briefly analyzed.

阐述了环境经济手段在我国农业非点源污染控制中应用的必要性和可行性。

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Chemical pesticides are the main measures to control plant disease presently, which can make environmental pollution, pathogens drug-resistant and do harm to non-target organisms.

目前化学农药仍是防治植物病害的主要措施，但存在着易造成残留污染、诱发病原菌抗药性和伤害非靶标生物等不利影响。

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