氮钾配施对油菜产量及氮素利用的影响
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李静,闫金垚,胡文诗,李小坤,丛日环,任涛,鲁剑巍
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Effects of combined application of nitrogen and potassium on seed yield and nitrogen utilization of winter oilseed rape (Brassica napus L.)
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Jing LI,Jin-Yao YAN,Wen-Shi HU,Xiao-Kun LI,Ri-Huan CONG,Tao REN,Jian-Wei LU
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表1 不同氮肥和钾肥用量对2016-2017和2017-2018年油菜产量的影响
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Table 1 Effects of different nitrogen and potassium fertilizer application rates on rapeseed yield in 2016-2017 and 2017-2018 growing season
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处理
Treatment | 年份 Year | 平均
Average (kg hm-2) | | 2016/2017 | 2017/2018 | | N0 | K0 | 833 c | 750 b | 791 | | K60 | 977 b | 909 ab | 943 | | K120 | 1051 ab | 956 ab | 1003 | | K180 | 1125 a | 1088 a | 1106 | | 平均 Average | 996 | 926 | 961 | | N90 | K0 | 1220 c | 1284 c | 1252 | | K60 | 1618 b | 1594 b | 1606 | | K120 | 2038 a | 1988 a | 2013 | | K180 | 2116 a | 2138 a | 2127 | | 平均 Average | 1748 | 1751 | 1749 | | N180 | K0 | 1904 c | 1659 c | 1782 | | K60 | 2590 b | 2278 b | 2434 | | K120 | 3038 a | 2981 a | 3009 | | K180 | 3366 a | 3281 a | 3323 | | 平均 Average | 2724 | 2550 | 2637 | | N270 | K0 | 1720 c | 1406 c | 1563 | | K60 | 2781 b | 2372 b | 2576 | | K120 | 3320 a | 3162 a | 3241 | | K180 | 3550 a | 3478 a | 3514 | | 平均 Average | 2843 | 2605 | 2724 | | 方差分析 ANOVA | | F值 F-value | | 氮肥 Nitrogen (N) | | 761.1** | | 钾肥 Potassium (K) | | 296.1** | | 年份 Year (Y) | | 15.9** | | N×K | | 29.2** | | N×Y | | 3.2* | | K×Y | | 1.3ns | | N×K×Y | | 0.5ns |
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