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

表7 基于小麦籽粒产量、生物量、籽粒吸磷量和地上部吸磷量粪肥磷素替代化肥磷素的相对替代当量

Table 7 Mineral phosphorus fertilizer replacement value of manures on the basis of wheat grain yield biomass, grain phosphorus uptake and aboveground phosphorus uptake

项目 Item	施磷量 P₂O₅ rate (mg·kg^-1)	粪肥磷素替代化肥磷素（P₂O₅）的相对替代当量 Mineral phosphorus fertilizer replacement value (%)
项目 Item	施磷量 P₂O₅ rate (mg·kg^-1)	猪粪 Pig manure	鸡粪 Chicken manure	牛粪 Cattle manure
籽粒Grain	20	93.81	60.84	116.12
	40	95.78	98.57	96.20
	60	92.46	67.07	73.74
	80	78.08	87.02	72.26
生物量Biomass	20	104.80	72.53	133.09
	40	99.56	102.15	107.93
	60	101.19	76.71	83.35
	80	68.84	100.00	75.13
籽粒磷吸收量 Grain phosphorus uptake	20	88.44	52.67	109.76
	40	87.89	86.14	92.81
	60	75.40	70.51	81.00
	80	70.78	84.25	76.39
地上部磷吸收量 Aboveground phosphorus uptake	20	83.11	41.25	110.13
	40	87.42	81.15	94.95
	60	80.48	68.10	72.82
	80	69.59	79.91	71.14