夏玉米不同部位干物质临界氮浓度稀释曲线的构建及对产量的估计
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苏文楠, 解君, 韩娟, 刘铁宁, 韩清芳
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Construction of critical nitrogen dilution curve based on dry matter in diffe rent organs of summer maize and estimation of grain yield
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SU Wen-Nan, XIE Jun, HAN Juan, LIU Tie-Ning, HAN Qing-Fang
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表6 基于不同部位建立的临界氮浓度稀释曲线与其他模型参数的比较
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Table 6 Comparison of parameters of critical N dilution curves based on different organs and other model parameters
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部位 Organ | 作物 Crop | 地点 Site | a | b | 参考文献 Reference | 植株 | 玉米Maize | 关中平原Guanzhong Plain | 2.25 | 0.27 | Li Z P et al.[29] | Plant | | 黄淮海平原Huanghuaihai Plain | 3.34 | 0.396 | Liang X G et al.[38] | | | 华北平原North China Plain | 2.72 | 0.27 | Yue S C et al.[37] | | | 本试验This study | 2.47 | 0.24 | | | | | 2.33 | 0.26 | | 叶片 | 玉米Maize | 黄淮海平原Huanghuaihai Plain | 3.45 | 0.22 | Zhao B et al.[10] | Leaf | 水稻Rice | 长江中下游平原the Middle-Lower Yangtze Plains | 3.76 | 0.22 | Wang X L[44] | | 小麦Wheat | 长江中下游平原the Middle-Lower Yangtze Plains | 3.06 | 0.15 | Yao X et al.[23] | | | 关中平原Guanzhong Plain | 3.96 | 0.14 | Qiang S C et al.[45] | | | 本试验This study | 2.64 | 0.20 | | | | | 2.61 | 0.21 | | 茎 | 小麦Wheat | 长江中下游平原the Middle-Lower Yangtze Plains | 2.50 | 0.44 | Wang X L [44] | Stem | 水稻Rice | 长江中下游平原the Middle-Lower Yangtze Plains | 2.26 | 0.32 | Ata-Ul-Karim S T et al.[22] | | | 本试验This study | 1.58 | 0.39 | | | | | 1.83 | 0.34 | |
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