种植密度对油菜机械收获关键性状的影响
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李小勇, 周敏, 王涛, 张兰, 周广生, 蒯婕
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Effects of Planting Density on the Mechanical Harvesting Characteristics of Semi-winter Rapeseed
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Xiao-Yong LI, Min ZHOU, Tao WANG, Lan ZHANG, Guang-Sheng ZHOU, Jie KUAI
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表1 密度对油菜产量及产量构成的影响 |
Table 1 Effect of density on yield and yield components of rapeseed |
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年份 Year | 品种 Variety | 密度 Density | 单株有效角果数Effective pod number per plant | 每角果粒数 Number of seeds per pod | 千粒重 1000-seed weight (g) | 实收产量 Yield (kg hm-2) | 2014-2015 | 中双11 Zhongshuang 11 | D1 | 164.5 a | 22.7 a | 4.30 a | 2381.3 c | D2 | 126.4 b | 22.3 b | 4.34 a | 2969.3 b | D3 | 88.4 c | 20.4 c | 4.27 ab | 3158.5 a | D4 | 63.4 d | 20.0 d | 4.18 b | 3029.1 b | 华油杂9号 Huayouza 9 | D1 | 193.5 a | 25.8 a | 3.01 b | 2521.3 d | D2 | 132.8 b | 24.4 b | 3.10 ab | 2910.7 c | D3 | 108.5 c | 23.4 c | 3.12 ab | 3514.4 a | D4 | 86.0 d | 23.5 c | 3.16 a | 3076.0 b | 2015-2016 | 中双11 Zhongshuang 11 | D1 | 170.5 a | 23.1 a | 4.48 b | 2626.3 c | D2 | 108.1 b | 22.7 b | 4.52 a | 2938.9 b | D3 | 95.0 c | 21.6 c | 4.34 c | 3255.9 a | D4 | 66.4 d | 21.2 d | 4.26 d | 3042.6 b | 华油杂9号 Huayouza 9 | D1 | 216.5 a | 27.4 a | 2.95 c | 2691.8 d | D2 | 123.0 b | 26.1 b | 2.99 bc | 3094.4 b | D3 | 107.0 c | 25.1 c | 3.04 ab | 3358.3 a | D4 | 79.8 d | 24.6 d | 3.11 a | 2916.9 c | 方差分析 Variance analyses | | 年份(Y) | | ** | ** | NS | ** | | 品种(V) | | ** | ** | ** | ** | | 密度(D) | | ** | ** | ** | ** | | Y×V | | ** | NS | ** | ** | | Y×D | | ** | NS | NS | ** | | V×D | | NS | NS | NS | ** | | Y×V×D | | NS | NS | NS | ** |
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