There were significant effects of rice varieties, nitrogen levels and WBPH generation on the weight and fecundity of the female adult.

 
  • 水稻品種、飼養代數和氮肥水平對白背飛虱雌成蟲(chóng)體質(zhì)量和產(chǎn)卵量均有著(zhù)極顯著(zhù)的影響。
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