Bait with 40000 nematodes per plant killed 68.53%of black cutworm on average.
毒饵法(剂量为40000条.株-1)防治小地老虎的田间平均防治效果可达68.53%.
Bait with 40000 nematodes per plant killed 68.53%of black cutworm on average.
毒饵法(剂量为40000条.株-1)防治小地老虎的田间平均防治效果可达68.53%.
But India's tigerish economy,which has grown by 9% a year on average over the past three years, is itselfunder threat.
但是印度那虎虎有生气的经济在前三年持平均每年9%的增长率之后也面临同样的处境。
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