小麦玉米同步增密有利于优化种间关系而提高间作产量
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张金丹, 范虹, 杜进勇, 殷文, 樊志龙, 胡发龙, 柴强
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Synchronously higher planting density can increase yield via optimizing interspecific interaction of intercropped wheat and maize
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ZHANG Jin-Dan, FAN Hong, DU Jin-Yong, YIN Wen, FAN Zhi-Long, HU Fa-Long, CHAI Qiang
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表3 不同玉米和小麦密度处理下小麦收获后间作玉米的恢复效应
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Table 3 Effects of maize intercropping on recovery of post-harvest wheat under different maize and wheat densities
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年际 Year | 处理 Treatment | 恢复效应Recovery effect | 7/29-8/17 | 8/17-9/6 | 9/6-9/25 | 2018 | IW1M1 | 1.49±0.05 b | 1.35±0.03 c | 1.18±0.14 d | IW1M2 | 1.36±0.04 c | 1.54±0.12 b | 1.23±0.04 d | IW1M3 | 1.26±0.05 d | 1.62±0.14 b | 2.13±0.09 ab | IW2M1 | 1.62±0.04 a | 1.37±0.03 c | 1.43±0.08 c | IW2M2 | 1.49±0.03 b | 1.64±0.09 b | 2.07±0.05 b | IW2M3 | 1.48±0.06 b | 2.03±0.05 a | 2.28±0.19 a | 2019 | IW1M1 | 0.96±0.05 c | 1.35±0.03 c | 1.04±0.02 d | IW1M2 | 1.18±0.04 b | 1.43±0.02 b | 1.60±0.08 c | IW1M3 | 1.18±0.01 b | 1.56±0.02 a | 1.99±0.07 b | IW2M1 | 1.13±0.04 b | 1.40±0.06 c | 1.06±0.15 d | IW2M2 | 1.34±0.13 a | 1.44±0.04 b | 2.10±0.06 b | IW2M3 | 1.19±0.01 b | 1.64±0.01 a | 2.72±0.06 a | 主效应分析Main effects analysis | 小麦密度Density of wheat | 0.041* | 0.016* | 0.002** | 玉米密度Density of maize | 0.709 | 0.000** | 0.000** | 小麦密度×玉米密度 Density of wheat × Density of maize | 0.962 | 0.039* | 0.017* |
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