priority pollutant meaning in English

最先污染物

Based on the study on the current instance of agricultural environmental quality and safety in chongqing city , we put forward that : make the best of the environmental resources , carry on the layout of agriculture production , and adjust the agricultural structure ; strengthen ecoenvironmental protection and pollution control in the outskirts of the city ; reasonably apply pesticides and fertilizers in order to avoid agriculture products being polluted by them ; strengthen the construction of monitoring system of agricultural environment and agriculture product quality and safety in the whole city , and develop early warning monitoring ; strengthen non - point pollution control in the three gorges reservoir area ; and conduct more researches on controlling of priority pollutants in agricultural environment
摘要对重庆市农业环境质量安全现状进行了研究分析，提出了充分利用环境资源比较优势，进行农业生产布局和农业结构调整；加强城郊区农业生态环境保护和污染的治理；合理施用农药化肥，防止农产品农药残留和硝酸盐污染；加强全市农业环境与农产品质量安全监测体系建设，开展预警监测；加强三峡库区农业面源污染防治；进一步开展农业环境优先污染物的控制研究等防治对策。