东北半干旱区滴灌施肥条件下高产玉米干物质与 养分的积累分配特性
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侯云鹏,孔丽丽,蔡红光,刘慧涛,高玉山,王永军,王立春
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The Accumulation and Distribution Characteristics on Dry Matter and Nutrients of High-Yielding Maize Under Drip Irrigation and Fertilization Conditions in Semi-Arid Region of Northeastern China
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YunPeng HOU,LiLi KONG,HongGuang CAI,HuiTao LIU,YuShan GAO,YongJun WANG,LiChun WANG
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表3 不同栽培模式玉米干物质积累速率的Logistic方程回归分析
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Table 3 Logistic equation analysis for dry matter accumulation rate of maize under different cultivation modes
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年份 Year | 处理 Treatment | 回归方程 Regression equation | R2 | 最大增长速率出现天数 The days of maximum increase rate (d) | 最大增长速率 Maximum increase rate (kg·d·hm-2) | 平均增长速率 Average increase rate (kg·d·hm-2) | 2014 | FP | Y=18709.931/(1+e312.666-0.075t) | 0.998 | 76.2b | 352.5b | 131.1c | | HY | Y=21439.737/(1+e209.682-0.068t) | 0.997 | 79.0a | 362.5b | 149.9b | | SHY | Y=25540.395/(1+e179.095-0.063t) | 0.998 | 81.9a | 404.5a | 177.6a | 2015 | FP | Y=20159.167/(1+e161.633-0.063t) | 0.997 | 81.0a | 316.6b | 135.8c | | HY | Y=23581.404/(1+e130.382.-0.058t) | 0.999 | 83.4a | 344.2ab | 157.7b | | SHY | Y=27816.458/(1+e154.644-0.059t) | 0.997 | 84.9a | 412.9a | 185.6a | 2016 | FP | Y=19759.418/(1+e273.277-0.071t) | 0.998 | 79.1a | 350.2b | 136.9c | | HY | Y=22904.026/(1+e228.540-0.067t) | 0.995 | 81.2a | 382.9ab | 157.7b | | SHY | Y=26974.290/(1+e240.389-0.066t) | 0.994 | 83.2a | 444.4a | 184.3a | 方差分析 ANOVA | | | | | | 处理 Treatment (T) | | | ** | ** | ** | 年份 Year (Y) | | | NS | NS | NS | 处理×年份 (T×Y) | | | NS | NS | NS |
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