不同用量风化煤腐殖酸对玉米根系的影响
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周丽平,袁亮,赵秉强,李燕婷,林治安
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Response of Maize Roots to Different Additive Amounts of Weathered Coal Humic Acids
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ZHOU LiPing,YUAN Liang,ZHAO BingQiang,LI YanTing,LIN ZhiAn
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表1 腐殖酸对玉米干物质量的影响
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Table 1 Effects of humic acids on maize dry matter weight
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处理 Treatment | 器官 Organs | 总重 Total (g) | 根冠比 Root-shoot ratio | 根Root (g) | 地上部Shoot (g) | CK | 0.26±0.02 c | 1.19±0.14 b | 1.45±0.14 c | 0.22±0.03 a | HA1 | 0.31±0.05 bc | 1.36±0.14 ab | 1.67±0.16 bc | 0.23±0.04 a | HA2 | 0.44±0.04 a | 1.58±0.15 a | 2.02±0.17 a | 0.28±0.03 a | HA3 | 0.36±0.04 b | 1.39±0.14 ab | 1.74±0.15 b | 0.26±0.04 a | HA4 | 0.38±0.04 ab | 1.34±0.09 ab | 1.72±0.08 bc | 0.28±0.04 a | HA平均 Average | 0.37 | 1.42 | 1.79 | 0.26 | HA变异系数 CV | 0.15 | 0.08 | 0.06 | 0.10 |
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