One gram's 80,000 individuals, 80,000 individuals are good enough to control one acre, 4,000 square meters, of a strawberry plot against spider mites for the whole season of almost one year.
一グラムで８万匹います ８万匹もいれば ４千平方メートルの イチゴ畑を ハダニから ほぼ一年間守ることが できます