土壤改良剂对低湖冷浸田土壤特性及水稻生长的影响
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汪本福, 余振渊, 宋平原, 张作林, 张枝盛, 李阳, 苏章锋, 郑中春, 程建平
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Effects of Soil Amendments on Soil Characteristics and Rice Growth in Cold Waterlogged Paddy Field
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Wang Benfu, Yu Zhenyuan, Song Pingyuan, Zhang Zuolin, Zhang Zhisheng, Li Yang, Su Zhangfeng, Zheng Zhongchun, Cheng Jianping
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表4 水稻产量及其构成因素与根系、土壤肥力等指标相关分析
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Table 4 Correlation analysis between yield, its components, roots and soil fertility
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指标 Index | 总 根长 Total root length | 根体积 Root volume | 根系 活力 Root activity | 氧化还 原电位 Redox potential | 还原物 质总量 Total amount of reducing substances | 活性还 原物质 Active reducing substances | 氧化 亚铁 FeO | 碱解氮 Available N | 有效磷 Available P | 速效钾 Available K | 穗粒数 Number of grains per panicle | 千粒重 1000- grain weight | 结实率 Seed- setting rate | 产量 Yield | 总根长 Total root length | 1.00 | 1.00** | 1.00** | 0.85 | -0.75 | -0.76 | -0.75 | 0.91 | 1.00** | 0.91 | 0.84 | -0.29 | 0.93 | 0.84 | 根体积 Root volume | | 1.00 | 1.00** | 0.87 | -0.77 | -0.78 | -0.78 | 0.89 | 0.99** | 0.89 | 0.82 | -0.33 | 0.92 | 0.82 | 根系活力 Root activity | | | 1.00 | 0.89 | -0.79 | -0.80 | -0.80 | 0.88 | 0.99** | 0.88 | 0.80 | -0.36 | 0.91 | 0.80 | 氧化还原电位 Redox potential | | | | 1.00 | -0.98* | -0.99* | -0.99* | 0.56 | 0.82 | 0.56 | 0.43 | -0.75 | 0.61 | 0.43 | 还原物质总量 Total amount of reducing substances | | | | | 1.00 | 1.00** | 1.00** | -0.40 | -0.70 | -0.40 | -0.26 | 0.85 | -0.46 | -0.26 | 活性还原物质 Active reducing substances | | | | | | 1.00 | 1.00** | -0.42 | -0.71 | -0.42 | -0.29 | 0.84 | -0.48 | -0.28 | 氧化亚铁FeO | | | | | | | 1.00 | -0.41 | -0.71 | -0.41 | -0.27 | 0.85 | -0.47 | -0.27 | 碱解氮Available N | | | | | | | | 1.00 | 0.94 | 1.00** | 0.99* | 0.13 | 1.00** | 0.99* | 有效磷Available P | | | | | | | | | 1.00 | 0.93 | 0.87 | -0.23 | 0.96* | 0.87 | 速效钾Available K | | | | | | | | | | 1.00 | 0.99** | 0.14 | 1.00** | 0.99* | 穗粒数 Number of grains per panicle | | | | | | | | | | | 1.00 | 0.27 | 0.98* | 1.00** | 千粒重 1000-grain weight | | | | | | | | | | | | 1.00 | 0.07 | 0.28 | 结实率 Seed-setting rate | | | | | | | | | | | | | 1.00 | 0.98* | 产量Yield | | | | | | | | | | | | | | 1.00 |
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