华北地区夏玉米滴灌施肥的肥料效应
李格,白由路,杨俐苹,卢艳丽,王磊,张静静,张银杰

Effect of Drip Fertigation on Summer Maize in North China
LI Ge,BAI YouLu,YANG LiPing,LU YanLi,WANG Lei,ZHANG JingJing,ZHANG YinJie
表5 夏玉米磷肥利用率
Table 5 Phosphorus fertilizer use efficiency of summer maize
年份Year 处理Treatment 磷肥利用率PFUE (%) 磷肥农学效率PAE(kg·kg-1) 磷肥偏生产力PPFP (kg·kg-1)
2017 P0 - - -
P1 15.67b 3.45b 156.02a
P2 26.54a 8.77a 130.83b
P3 27.87a 4.15b 105.86c
2018 P0 - - -
P1 12.63b 4.86b 123.15a
P2 31.21a 14.04a 108.67b
P3 19.40ab 4.82b 83.68c