chemical weeding中文什么意思

化学除草

• chemical:    adj. 化学的，化学作用的；应用化 ...
• weed:     weed2 n. 1.黑 ...
• weeding:    除草; 除杂草; 杂草防除; 薅草

例句与用法

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1. Chemical weeding techniques of poplar seedling cultivation fields
   杨树育苗地化学除草技术
2. Chemical weed control technology at spring rapeoil fields in qinghai
   青海春油菜田杂草化学防除技术
3. Study of the weed situation in southern orchards and chemical weeding
   南方果园草情调查及化学除草的研究
4. The state technical standard of chemical weed control in main plantation trees
   主要造林树种林地化学除草技术规程
5. This paper reportsthe biological habits ， damage and occurrence regularity of common cutgrass . foreffectively controlling weed infestation in fields ， it is necessary to establish somerational farming and rotation systems and ameliorate chemical weed control system day byday
   通过对李氏禾的生物学特性、发生规律及危害的阐述，提出只有通过建立科学合理的耕作和轮作制度及日趋完善的化学除草体系，才能有效地控制李氏禾的危害。