不同氮素水平下双季稻株型与冠层内光截获特征研究

李艳大,黄俊宝,叶春,舒时富,孙滨峰,陈立才,王康军,曹中盛

Plant type and canopy light interception characteristics in double cropping rice canopy under different nitrogen rates

Yan-Da LI,Jun-Bao HUANG,Chun YE,Shi-Fu SHU,Bin-Feng SUN,Li-Cai CHEN,Kang-Jun WANG,Zhong-Sheng CAO

表1 不同年份、生育期的早、晚稻气象数据

Table 1 Meteorological data of early and late rice under different years and development stages

作物 Crop 年份 Year 生育期 Development stages 最低气温 Minimum temperature (°C) 最高气温 Maximum temperature (°C) 日照时数 Sunshine hours (h) 降水量 Precipitation (mm) 早稻 Early rice 2016 孕穗期 Booting stage 26.3 32.5 11.2 0 抽穗后12 d 12 d after heading 25.0 34.6 11.0 0 2017 孕穗期 Booting stage 23.4 31.4 10.6 0 抽穗后12 d 12 d after heading 27.7 36.8 11.2 0 晚稻 Late rice 2016 孕穗期 Booting stage 24.5 36.8 10.4 0 抽穗后12 d 12 d after heading 21.6 30.2 9.4 0 2017 孕穗期 Booting stage 24.4 34.8 10.7 0 抽穗后12 d 12 d after heading 22.1 30.5 10.1 0