基于作物生长监测诊断仪的双季稻叶干重监测模型

李艳大, 曹中盛, 舒时富, 孙滨峰, 叶春, 黄俊宝, 朱艳, 田永超

Model for monitoring leaf dry weight of double cropping rice based on crop growth monitoring and diagnosis apparatus

LI Yan-Da, CAO Zhong-Sheng, SHU Shi-Fu, SUN Bin-Feng, YE Chun, HUANG Jun-Bao, ZHU Yan, TIAN Yong-Chao

表2 基于CGMD植被指数的不同生育期早、晚稻叶干重监测模型

Table 2 Monitoring models of leaf dry weight for early and late rice under different growth stages based on CGMD vegetation indices

植被指数 Vegetation index 生育期 Growth stages 早稻 Early rice 晚稻 Late rice 监测模型 Monitoring model 决定系数 R2 监测模型 Monitoring model 决定系数 R2 NDVICGMD 分蘖期 Tillering stage $\text{LDW}=\text{32}\text{.173}\times {{\text{e}}^{\text{5}\text{.8687}\times \text{NDV}{{\text{I}}_{\text{CGMD}}}}}$ 0.8304 $\text{LDW}=\text{54}\text{.595}\times {{\text{e}}^{\text{4}\text{.3443}\times \text{NDV}{{\text{I}}_{\text{CGMD}}}}}$ 0.8932 拔节期 Jointing stage $\text{LDW}=\text{46}\text{.779}\times {{\text{e}}^{\text{4}\text{.9717}\times \text{NDV}{{\text{I}}_{\text{CGMD}}}}}$ 0.8413 $\text{LDW}=\text{71}\text{.407}\times {{\text{e}}^{\text{4}\text{.4888}\times \text{NDV}{{\text{I}}_{\text{CGMD}}}}}$ 0.8451 孕穗期 Booting stage $\text{LDW}=\text{68}\text{.835}\times {{\text{e}}^{\text{3}\text{.9738}\times \text{NDV}{{\text{I}}_{\text{CGMD}}}}}$ 0.8291 $\text{LDW}=\text{69}\text{.912}\times {{\text{e}}^{\text{5}\text{.0304}\times \text{NDV}{{\text{I}}_{\text{CGMD}}}}}$ 0.8782 抽穗期 Heading stage $\text{LDW}=\text{65}\text{.956}\times {{\text{e}}^{\text{3}\text{.0992}\times \text{NDV}{{\text{I}}_{\text{CGMD}}}}}$ 0.8235 $\text{LDW}=\text{56}\text{.463}\times {{\text{e}}^{\text{5}\text{.7332}\times \text{NDV}{{\text{I}}_{\text{CGMD}}}}}$ 0.8775 灌浆期 Filling stage $\text{LDW}=\text{47}\text{.316}\times {{\text{e}}^{\text{4}\text{.5720}\times \text{NDV}{{\text{I}}_{\text{CGMD}}}}}$ 0.8465 $\text{LDW}=\text{61}\text{.509}\times {{\text{e}}^{\text{5}\text{.0302}\times \text{NDV}{{\text{I}}_{\text{CGMD}}}}}$ 0.8303 DVICGMD 分蘖期 Tillering stage LDW=1512.80×DVICGMD +38.511 0.8312 LDW=785.22×DVICGMD +61.521 0.8197 拔节期 Jointing stage LDW=867.63×DVICGMD +54.730 0.8178 LDW=912.36×DVICGMD +91.027 0.8162 孕穗期 Booting stage LDW=712.08×DVICGMD +94.664 0.8267 LDW=717.89×DVICGMD +114.750 0.8379 抽穗期 Heading stage LDW=546.71×DVICGMD +74.901 0.8190 LDW=755.20×DVICGMD +92.275 0.8230 灌浆期 Filling stage LDW=956.46×DVICGMD +37.730 0.8445 LDW=770.92×DVICGMD +77.178 0.8244 RVICGMD 分蘖期 Tillering stage LDW =39.217×RVICGMD1.9585 0.8697 LDW =50.006×RVICGMD2.1792 0.9216 拔节期 Jointing stage LDW =52.865×RVICGMD1.8850 0.8892 LDW =64.510×RVICGMD2.3807 0.9045 孕穗期 Booting stage LDW =70.446×RVICGMD1.4743 0.8758 LDW =66.149×RVICGMD2.2845 0.9118 抽穗期 Heading stage LDW =51.792×RVICGMD1.6805 0.8604 LDW =59.700×RVICGMD2.3213 0.8851 灌浆期 Filling stage LDW =41.993×RVICGMD2.4764 0.8793 LDW =56.741×RVICGMD2.6011 0.8854