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4 不同施肥处理的肥料农学利用率

Table 4 The agronomic efficiency in different fertilizer treatments kg/kg

处理 Treatment 潢川1 Huangchuan 1 潢川2 Huangchuan 2 潢川平均值Average of Huangchuan 南阳Nanyang N P2O5 K2O N P2O5 K2O N P2O5 K2O N P2O5 K2O N0P0K0 - - - - - - - - - - - - N0P2K2 - 4.29 4.29 - 4.09 4.09 - 4.19 4.19 - 0.63 0.63 N1P2K2 26.46 19.84 19.84 19.73 14.80 14.80 23.09 17.32 17.32 1.95 1.46 1.46 N2P0K2 3.11 - 4.67 3.34 - 5.00 3.22 - 4.84 1.39 - 2.09 N2P1K2 14.34 43.02 21.51 13.79 41.36 20.68 14.06 42.19 21.09 1.81 5.42 2.71 N2P2K2 16.06 24.10 24.10 14.04 21.05 21.05 15.05 22.57 22.57 4.59 6.88 6.88 N2P3K2 16.62 16.62 24.93 14.54 14.54 21.80 15.58 15.58 23.37 6.11 6.11 9.17 N2P2K0 12.53 18.80 - 12.42 18.63 - 12.48 18.72 - 2.78 4.17 - N2P2K1 15.65 23.47 46.94 13.65 20.47 40.94 14.65 21.97 43.94 3.20 4.80 9.59 N2P2K3 17.20 25.80 17.20 15.81 23.72 15.81 16.51 24.76 16.51 4.17 6.25 4.17 N3P2K2 11.12 25.01 25.01 9.54 21.47 21.47 10.33 23.24 23.24 3.06 6.88 6.88 N1P1K2 25.40 38.10 19.05 19.90 29.85 14.92 22.65 33.98 16.99 10.28 15.43 7.71 N1P2K1 27.40 20.55 41.10 16.26 16.26 32.52 24.54 18.41 36.81 5.84 4.38 8.76 N2P1K1 10.20 30.60 30.60 13.28 39.85 39.85 11.74 35.23 35.23 3.47 10.42 10.42 平均Average 16.34 24.18 23.27 13.86 22.17 21.08 15.33 22.20 22.17 4.05 6.07 5.87