These results implied that the reduction of predatory and parasitism natural control function should be one of the crucial factors to induce the outbreak of insect pest populations in rice fields applied with excessive nitrogenous fertilizer.
英
美
- 這些結果表明天敵對害蟲(chóng)自然控制作用的下降可能是稻田過(guò)量施用氮肥后害蟲(chóng)種群增加的主要原因之一。