... chemical pesticides 化学农药制造 chlorinated pesticides 有机氯农药 encapsulate pesticides 微囊农药 ...
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green chemical pesticides 绿色化学农药
Suitable For Chemical Pesticides 适用于化工农药
application of chemical pesticides 施用化学农药
Non-chemical pesticides technology 非化学农药技术
Consumption of Chemical Pesticides 农药使用量
Faced with chemical pesticides generated by the various problems and insecticide or acaricide conventional means of research and development has become increasingly difficult, bioactive natural products coming into the mainstream of plant protection time has come.
面对化学农药所产生的种种问题和杀虫杀螨剂常规研发途径的日益艰难,从生物活性天然产物中开发新的药剂已经成为国内外农药研究开发的热点问题之一。
参考来源 - 黄花蒿杀螨物质活性追踪及杀螨作用机理研究In order to control the grain crop diseases and reduce the quantities of chemical pesticides effectively,the research on biological pesticides and biological controls were paid great attention in the world.
为了达到既能有效的防治农作物病虫害，又能减少化学农药用量的目的，生物农药以及一些无害防治途径的研究与开发越来越引起广泛重视。
参考来源 - 几丁质酶产生菌的筛选及初步应用的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
I like the fact that organic farms don't use chemical pesticides or anything that can pollute the soil or the water.
我喜欢有机农场不使用化学农药或任何会污染土壤或水的东西。
Chemical pesticides are expensive.
化学杀虫剂十分昂贵。
The average application equates to about 16 pounds of chemical pesticides per person every year.
这相当于每人每年约平均使用16磅的化学农药。
All the people were asked about their use of pesticides, chemical fluids and metals like iron.
VOA: special.2009.04.07
Throughout his life, Borlaug was a firm believer that the job of feeding the world could not be done without chemical fertilizers and pesticides.
VOA: standard.2009.09.16
"Organic agriculture in general is well suited to small-scale farmers because usually small-scale farmers do not have much cash to purchase external inputs, chemical inputs,pesticides, or chemical fertilizers."
VOA: standard.2010.04.11
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