不同栽培管理条件下夏玉米产量与肥料利用效率的差异解析
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王洪章,刘鹏,贾绪存,李静,任昊,董树亭,张吉旺,赵斌
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Analysis of differences in summer maize yield and fertilizer use efficiency under different cultivation managements
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Hong-Zhang WANG,Peng LIU,Xu-Cun JIA,Jing LI,Hao REN,Shu-Ting DONG,Ji-Wang ZHANG,Bin ZHAO
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表4 不同产量层次夏玉米产量性能方程参数的差异
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Table 4 Differences in parameters of yield performance equation of summer maize under different yield levels
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年份
Year | 产量水平
Yield level | 结构性参数Structural parameter | | 功能性参数Functional parameter | | MLAI | EN
(×104 hm-2) | GN | MNAR
(g m-2 d-1) | HI | GW
(g) | | 2017 | SH | 3.69 a | 7.93 a | 501.30 b | | 6.69 b | 0.51 a | 370.16 b | | HH | 3.51 b | 7.61 a | 502.97 b | | 6.77 b | 0.51 a | 366.66 b | | FP | 3.00 c | 6.76 b | 557.40 a | | 8.38 a | 0.50 a | 383.32 a | | 2018 | SH | 3.47 a | 7.84 a | 524.40 b | | 7.23 b | 0.53 a | 371.36 a | | HH | 3.28 b | 7.46 a | 506.00 c | | 6.92 c | 0.53 a | 370.52 a | | FP | 3.01 c | 6.44 b | 563.47 a | | 7.49 a | 0.53 a | 379.31 a | 平均
Average | SH | 3.45 | 7.93 | 516.20 | | 7.85 | 0.51 | 377.38 | | HH | 3.23 | 7.57 | 507.50 | | 7.72 | 0.52 | 377.76 | | FP | 2.94 | 6.64 | 562.57 | | 8.88 | 0.50 | 383.86 |
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