河南省不同轮作区双低杂交油菜氮磷钾肥的效应研究
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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
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Effects of N, P and K Fertilization on Rapeseed Yield in Different Rotating Areas of Henan Province
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Dongfang Cai,Jianping Wang,Shufen Zhang,Junping He,Jinhua Cao,Yancheng Wen,Lei Zhao,Dongguo Wang,Jiacheng Zhu
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表5 不同施肥处理产量的养分生产力
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Table 5 The nutrient productivity of yields in different fertilizer treatments
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处理
Treatment | 养分投入量(kg/hm2)
Nutrient input | 单位养分生产力Nutrient productivity (kg/kg) | N:P2O5:K20 | | 潢川1 Huangchuan 1 | 潢川2 Huangchuan 2 | 潢川平均值Average of Huangchuan | 南阳Nanyang | | N0P0K0 | 0 | - | - | - | - | - | | N0P2K2 | 240 | 3.3 | 2.9 | 3.1 | 8.1 | 0:1:1 | | N1P2K2 | 330 | 8.0 | 6.0 | 7.0 | 6.2 | 1:1.3:1.3 | | N2P0K2 | 300 | 2.8 | 2.7 | 2.7 | 7.1 | 1:0:0.67 | | N2P1K2 | 360 | 7.9 | 7.4 | 7.7 | 6.1 | 1:0.3:0.75 | | N2P2K2 | 420 | 7.5 | 6.5 | 7.0 | 6.4 | 1:0.67:0.67 | | N2P3K2 | 480 | 6.8 | 5.9 | 6.3 | 6.2 | 1:1:0.67 | | N2P2K0 | 300 | 8.4 | 8.1 | 8.3 | 7.9 | 1:0.67:0 | | N2P2K1 | 360 | 8.6 | 7.4 | 8.0 | 6.8 | 1:0.67:0.33 | | N2P2K3 | 480 | 7.0 | 6.3 | 6.7 | 5.5 | 1:0.67:1 | | N3P2K2 | 510 | 6.4 | 5.4 | 5.9 | 5.3 | 1:0.44:0.44 | | N1P1K2 | 270 | 9.4 | 7.4 | 8.4 | 10.4 | 1:0.67:1.33 | | N1P2K1 | 270 | 10.1 | 8.0 | 9.0 | 8.9 | 1:1.33:0.67 | | N2P1K1 | 300 | 7.0 | 8.6 | 7.8 | 8.3 | 1:0.33:0.33 |
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