有效积温与不同氮磷钾处理夏玉米株高和叶面积指数定量化关系

陈杨,王磊,白由路,卢艳丽,倪露,王玉红,徐孟泽

Quantitative Relationship Between Effective Accumulated Temperature and Plant Height & Leaf Area Index of Summer Maize Under Different Nitrogen, Phosphorus and Potassium Levels

CHEN Yang,WANG Lei,BAI YouLu,LU YanLi,NI Lu,WANG YuHong,XU MengZe

表8 夏玉米LAI动态变化的Logistic模型特征参数（2019）

Table 8 Logistic model characteristic parameters of summer maize LAI dynamic change (2019)

处理 Treatment 速率峰值参数 Rate peak parameter 快增期参数 Rapid increase period parameters V1 (cm·(℃·d)-1) T1（℃·d） T2 (℃·d) T3 (℃·d) V2 (cm·(℃·d)-1) N0 0.0109c 754.48a 626.45a 882.50a 0.0096c N1 0.0128b 739.10a 619.99a 858.21a 0.0112b N2 0.0135a 732.38a 609.69a 855.08a 0.0118a N3 0.0130ab 751.28a 628.05a 874.52a 0.0114ab P0 0.0114b 769.42a 641.64a 897.20a 0.0100b P1 0.0121b 750.79ab 628.21ab 873.38ab 0.0106b P2 0.0135a 732.38bc 609.69ab 855.08bc 0.0118a P3 0.0126ab 724.77c 604.42b 845.11c 0.0111ab K0 0.0122b 763.06a 640.59a 885.53a 0.0107b K1 0.0117b 742.10ab 611.10b 873.10a 0.0103b K2 0.0135a 732.38b 609.69b 855.08a 0.0118a K3 0.0114b 744.87ab 618.28ab 871.46a 0.0100b