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3 3个试验点不同施肥处理对油菜产量的影响

Table 3 Effects of different N, P and K treatments on yield in Brassica napus

处理 Treatment 潢川1 Huangchuan 1 潢川2 Huangchuan 2 潢川平均值Average of Huangchuan 南阳Nanyang 产量Yield (kg/hm2) 增产率(%) Increase rate 产量Yield (kg/hm2) 增产率(%) Increase rate 产量Yield (kg/hm2) 增产率(%) Increase rate 产量Yield (kg/hm2) 增产率(%) Increase rate N0P0K0 265.20d - 200.10f - 232.65f - 1 875.90e - N0P2K2 780.45d 194.29 690.30e 244.98 735.38e 216.09 1 951.05e 4.01 N1P2K2 2 646.30abc 897.85 1 975.95d 887.48 2 311.13d 893.39 2 051.10de 9.34 N2P0K2 825.45d 211.26 800.40e 300.00 812.93e 249.42 2 126.10cde 13.34 N2P1K2 2 846.40abc 973.30 2 681.40ab 1 240.03 2 763.90abcd 1 088.01 2 201.10bcde 17.34 N2P2K2 3 156.60ab 1 090.27 2 726.40ab 1 262.52 2 941.50ab 1 164.35 2 701.35abc 44.00 N2P3K2 3 256.65ab 1 128.00 2 816.40ab 1 307.50 3 036.53a 1 205.19 2 976.45a 58.67 N2P2K0 2 521.20bc 850.68 2 436.15cbd 1 117.47 2 478.68bcd 965.41 2 376.15abcde 26.67 N2P2K1 3 081.60ab 1 061.99 2 656.35abc 1 227.51 2 868.98abc 1 133.17 2 451.30abcde 30.67 N2P2K3 3 361.65a 1 167.59 3 046.65a 1 422.56 3 204.15a 1 277.24 2 626.35abcd 40.00 N3P2K2 3 266.70ab 1 131.79 2 776.35ab 1 287.48 3 021.53a 1 198.74 2 701.35abc 44.00 N1P1K2 2 551.35bc 862.05 1 990.95d 894.98 2 271.15d 876.21 2 801.40ab 49.34 N1P2K1 2 731.35abc 929.92 2 151.15cd 975.04 2 441.25cd 949.32 2 401.20abcde 28.00 N2P1K1 2 101.05c 692.25 2 591.25abc 1 194.98 2 346.15d 908.45 2 501.25abcde 33.34 平均Average 2 385.15 - 2 110.05 - 2 247.56 - 2 410.20 -