杀虫剂

• Power pesticide dusters can be calibrated and used to apply fertilizer .
  动力杀虫剂可以调整用来施肥。
• In recent years much controversy has surrounded the use of pesticides .
  近年来围绕杀虫剂的使用已出现很多矛盾。
• This pesticide is diluted with water and applied directly to the fields .
  这种杀虫剂用水稀释后直接施用在田里。
• Arsenic is widely associated with the manufacture of herbicides and pesticides .
  砷广泛地应用于除草剂和杀虫剂的制造中。
• As preventive, spray plants with systemic insecticide or fumigate them regularly .
  作为预防措施，要用内吸杀虫剂对植物定期喷洒，或熏蒸。
• I have decided to specialize in plant chemicals that can be used for insecticides .
  我已经下决心专门研究可以用作杀虫剂的植物中的化学物质。
• Spraying with insecticides and fungicides may be necessary to control any insects and diseases .
  也许有必要喷洒杀虫剂和杀菌剂以防止病虫害。
• Approximately 40% of the applied insecticide in each orchard was residual in the soil profiles .
  大约每一果园施用的40杀虫剂残留在土壤剖面中。
• It is common practice to screen for this toxicity in the evaluation of the safety of new insecticides .
  一般在评价新杀虫剂的安全性时，常检查这一毒性。