fumigants是什么意思,fumigants怎么读,
1.Some prospective soil fumigants which can substitute Methyl bromide were introduced, while the tendency development of soil fumigants used in vegetable greenhouse was summarized as well.
介绍了几种可以取代溴甲烷的土壤消毒剂,指出了今后用于蔬菜大棚的土壤消毒剂的发展趋势。
2.Some prospective soil fumigants which can substitute Methyl bromide were introduced, while the tendency development of soil fumigants used in vegetable greenhouse was summarized as well.
介绍了几种可以取代溴甲烷的土壤消毒剂,指出了今后用于蔬菜大棚的土壤消毒剂的发展趋势。
3.Now. the most important task is how to use the available fumigants correctly, in order to decrease insect's resistivity and to increase the insecticidal rate.
当前的重要课题是:如何正确使用现有熏蒸剂,减少昆虫抗性,提高杀虫率。
4.Have any packaging materials been exposed to, or do they contain any synthetic fungicides, preservatives, or fumigants?
包装材料是否接触过,或装过合成杀真菌剂、防腐剂或熏蒸剂?