河南省不同轮作区双低杂交油菜氮磷钾肥的效应研究

蔡东芳,王建平,张书芬,何俊平,曹金华,文雁成,赵磊,王东国,朱家成

Effects of N, P and K Fertilization on Rapeseed Yield in Different Rotating Areas of Henan Province

Dongfang Cai,Jianping Wang,Shufen Zhang,Junping He,Jinhua Cao,Yancheng Wen,Lei Zhao,Dongguo Wang,Jiacheng Zhu

表2 “3414”施肥方案及施肥量

Table 2 Designs of the “3414” fertilizer experiment kg/hm2

处理 Treatment 施氮量 N application rate 施磷量 P2O5application rate 施钾量 K2O application rate N0P0K0 0 0 0 N0P2K2 0 120 120 N1P2K2 90 120 120 N2P0K2 180 0 120 N2P1K2 180 60 120 N2P2K2 180 120 120 N2P3K2 180 180 120 N2P2K0 180 120 0 N2P2K1 180 120 60 N2P2K3 180 120 180 N3P2K2 270 120 120 N1P1K2 90 60 120 N1P2K1 90 120 60 N2P1K1 180 60 60