畜禽有机肥磷素在冬小麦上替代化肥磷当量研究

徐久凯,袁亮,温延臣,张水勤,林治安,李燕婷,李海燕,赵秉强

Phosphorus Fertilizer Replacement Value of Livestock Manure in Winter Wheat

XU JiuKai,YUAN Liang,WEN YanChen,ZHANG ShuiQin,LIN ZhiAn,LI YanTing,LI HaiYan,ZHAO BingQiang

图1 化肥磷素（P2O5）用量与小麦籽粒产量（a）、生物量（b）、籽粒吸磷量（c）和地上部吸磷量（d）的响应关系

Fig. 1 The response of chemical phosphorus application rate to wheat grain yield (a), biomass (b), grain phosphorus uptake (c) and aboveground phosphorus uptake (d)