基于作物生长监测诊断仪的双季稻叶干重监测模型
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李艳大, 曹中盛, 舒时富, 孙滨峰, 叶春, 黄俊宝, 朱艳, 田永超
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Model for monitoring leaf dry weight of double cropping rice based on crop growth monitoring and diagnosis apparatus
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LI Yan-Da, CAO Zhong-Sheng, SHU Shi-Fu, SUN Bin-Feng, YE Chun, HUANG Jun-Bao, ZHU Yan, TIAN Yong-Chao
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表1 不同生育期早、晚稻CGMD植被指数与ASD FH2植被指数间的差异显著性概率P和相关关系
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Table 1 Significance probability P and correlation relationship between vegetation indices from CGMD and ASD FH2 for early and late rice under different growth stages
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作物 Crop | 生育期 Growth stages | 归一化植被指数 NDVI | 差值植被指数 DVI | 比值植被指数 RVI | 差异显著性概率P | 相关系数 r | 差异显著性概率P | 相关系数 r | 差异显著性概率P | 相关系数 r | 早稻 | 分蘖期 Tillering stage | 0.60 | 0.9675** | 0.49 | 0.9099** | 0.34 | 0.9298** | Early rice | 拔节期 Jointing stage | 0.55 | 0.9960** | 0.61 | 0.9870** | 0.42 | 0.9320** | | 孕穗期 Booting stage | 0.46 | 0.9613** | 0.87 | 0.9948** | 0.54 | 0.9894** | | 抽穗期 Heading stage | 0.54 | 0.9820** | 0.69 | 0.9799** | 0.38 | 0.9926** | | 灌浆期 Filling stage | 0.48 | 0.9654** | 0.50 | 0.9779** | 0.58 | 0.9543** | 晚稻 | 分蘖期 Tillering stage | 0.91 | 0.9550** | 0.30 | 0.9387** | 0.93 | 0.9807** | Late rice | 拔节期 Jointing stage | 0.82 | 0.9972** | 0.22 | 0.9750** | 0.89 | 0.9703** | | 孕穗期 Booting stage | 0.83 | 0.9535** | 0.81 | 0.9772** | 0.94 | 0.9899** | | 抽穗期 Heading stage | 0.94 | 0.9711** | 0.78 | 0.9751** | 0.86 | 0.9438** | | 灌浆期 Filling stage | 0.79 | 0.9880** | 0.84 | 0.9732** | 0.61 | 0.9823** |
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