农业杀虫剂

乐果（dimethoate）是一种常用的中等毒性有机磷农药（organophosphatepesticides），主要用作农业杀虫剂。

Organophosphate compounds ( OP ) are widely used as pesticides throughout the world including China . Dimethoate is a kind of moderate acute toxicity organophosphate pesticides ( OPP ) .

有机磷酸酯农业杀虫剂多胺基磷酸钠陶瓷助磨剂的助磨机理研究

Research of the Grinding Aid Mechanism of Multi ? Amidocyanogen Sodium Phosphate for Ceramics Materials

这个标志性的珊瑚礁正在受到流入海水中的来自农业生产的杀虫剂和废渣破坏。

The iconic reef is being damaged by pesticides and sediment from farms that seep into waterways .

上海四种重要农业害虫对几种杀虫剂的抗药性调查

Investigations of resistance on four species of important agricultural insects to several insecticides from Shanghai

由于化学杀虫剂的大量使用，一些主要农业害虫对化学杀虫剂产生的抗药性问题越来越严重。

The resistance to chemical pesticides of major agricultural pests is increasingly getting worse due to the widespread use of them .

有机农业避免使用化学杀虫剂和人造肥料，支持者说，与传统方法相比，有机农业对环境更有好处。

Organic farming avoids the use of chemical and manmade fertilizers . Supporters say organic farming is better for the environment than conventional methods . But studies have shown that organic farming generally produces less food per hectare .