herbicide

• Auses of harm to crops brought by and safe use of herbicides
  除草剂对农作物药害的产生及安全应用
• Discussion on resistance of farmland weeds to herbicides
  关于农田杂草对除草剂产生抗性问题的探讨
• Preliminary study on safety and injury of herbicides to rape
  除草剂对油菜的安全性及药害研究初报
• Herbicide of killing weeds before they grow up
  芽前除草剂。
• Symptom and preventing strategy for spray harm caused by generic herbicide
  常见除草剂药害症状及预防
• They claimed that the herbicides would not endanger human life
  他们声称这些除草剂不会危及人的生命。
• Study on effect of weed control using herbicides in sprouted bean field
  除草剂对红小豆田杂草防效的研究
• Combination screening of herbicide and fertilizer and its application effects
  灭草肥的选配及其施用效果
• Study on the herbicide activities of n - nitro - diphenyl urea derivatives
  硝基二苯基脲衍生物的除草活性研究
• How to relieve herbicides damage
  如何解除除草剂药害