In a field trial with wheat, different combinations of NPK were adopted in fertilizer application to the plants, and aphids were colleted and the honey they produced were determined.
采用小区偏施N ,P ,K肥的方法和田间罩虫测量蚜虫蜜露分子量的方法 ,研究了不同施肥条件对麦蚜同化率的影响 ;结果表明 ,偏施N ,P ,K肥对麦长管蚜和黍缢管蚜蜜露分泌量均有明显的影响 ;尤其N肥的施用 ,对 2种蚜虫蜜露的分泌有显著的促进作用 ,而偏施P肥对黍缢管蚜蜜露的分泌有一定的促进作用 ,同时对麦长管蚜蜜露的分泌有一定的抑制效果 ,同化率较差。
The effect of simulated mowing of the fertilizing level on commuity production and compensatory responses on the Qinghai-Tibetan;
青藏高原东部高寒草甸群落生物量和补偿能力对施肥与刈割的响应