黄淮海区域现代夏玉米品种产量与养分吸收规律
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程乙,刘鹏,刘玉文,庞尚水,董树亭,张吉旺,赵斌,任佰朝
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Regulation of grain yield and nutrient absorption of modern summer maize varieties in the Yellow-Huaihe-Haihe Rivers region
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Yi CHENG,Peng LIU,Yu-Wen LIU,Shang-Shui PANG,Shu-Ting DONG,Ji-Wang ZHANG,Bin ZHAO,Bai-Zhao REN
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表3 夏玉米各产量水平下的植株茎秆、叶片和籽粒氮浓度
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Table 3 N concentration in stem, leaf, and grain of summer maize for different yield ranges (g kg-1)
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| 器官 Organ | 产量范围
Yield range (t hm-2) | 平均值Mean | 标准差SD | 最小值Min. | 最大值Max. | 25%位点25%Q | 50%位点50%Q | 75%位点75%Q | | 茎秆Stem | <7.0 | 5.58 | 0.97 | 3.64 | 8.55 | 5.08 | 5.57 | 6.14 | | 7.0-8.0 | 6.02 | 1.00 | 3.88 | 8.61 | 5.40 | 5.92 | 6.61 | | 8.0-9.0 | 5.85 | 1.04 | 3.86 | 8.83 | 5.02 | 5.73 | 6.58 | | 9.0-10.0 | 5.94 | 0.99 | 3.95 | 8.52 | 5.13 | 5.93 | 6.65 | | 10.0-11.0 | 6.09 | 0.91 | 4.33 | 7.93 | 5.48 | 6.00 | 6.70 | | >11.0 | 5.98 | 0.92 | 4.50 | 8.00 | 5.19 | 5.90 | 6.25 | | 叶片 Leaf | <7.0 | 12.42 | 2.24 | 9.14 | 17.00 | 10.46 | 12.23 | 14.09 | | 7.0-8.0 | 12.15 | 1.56 | 7.66 | 16.21 | 10.91 | 12.21 | 13.26 | | 8.0-9.0 | 11.70 | 1.58 | 7.19 | 15.28 | 10.55 | 11.75 | 12.71 | | 9.0-10.0 | 11.78 | 1.49 | 8.63 | 16.55 | 10.88 | 11.62 | 12.56 | | 10.0-11.0 | 11.98 | 1.57 | 8.22 | 15.47 | 11.10 | 12.08 | 13.02 | | >11.0 | 11.76 | 1.62 | 8.68 | 15.08 | 10.85 | 11.61 | 12.94 | | 籽粒 Grain | <7.0 | 10.12 | 1.39 | 7.18 | 13.32 | 9.46 | 10.13 | 10.92 | | 7.0-8.0 | 10.03 | 1.14 | 7.38 | 12.78 | 9.25 | 9.89 | 10.91 | | 8.0-9.0 | 9.76 | 1.17 | 7.02 | 12.45 | 9.09 | 9.80 | 10.50 | | 9.0-10.0 | 9.45 | 1.09 | 7.20 | 12.86 | 8.60 | 9.56 | 10.25 | | 10.0-11.0 | 9.26 | 1.04 | 7.30 | 11.70 | 8.33 | 9.19 | 10.16 | | >11.0 | 9.43 | 0.96 | 7.37 | 11.03 | 8.84 | 9.42 | 10.19 |
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