The effect of water content on diffusion of pesticides under very dry conditions has been investigated.
人们曾经研究了在十分干燥的情况下水分含量对农药扩散的影响。
While the expenditures of pesticides, fertilizers, transportation, other materials, gas and coal were the important content for controlling the farmer's expenditure.
而农药支出、肥料支出、交通支出、其他资料和气煤支出是控制农户开支的重要内容。
Objective: The content of residue of organic chlorine pesticides in Caulis Spatholobi was determined.
目的：测定鸡血藤中有机氯农药残留量。
Many people pay more than a third more for organic food in the belief that it has more nutritional content than food grown with pesticides and chemicals.
许多人认为有机食品比使用杀虫剂和化学药物的食品更有营养，为此要多付三分之一的价钱购买有机食品。
Many people pay more than a third more for organic food in the belief that it has more nutritional content than food grown with pesticides and chemicals.
许多人认为有机食品比使用杀虫剂和化学药物的食品更有营养，为此要多付三分之一的价钱购买有机食品。
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