不同栽培模式对“早籼晚粳”双季稻光氮利用效率及产量的影响

郑华斌,李波,王慰亲,雷恩,唐启源

Effects of Different Cultivation Models on Solar Radiation-Nitrogen Use Efficiency and Yield of “Early Indica-Late Japonica” Double Rice

ZHENG HuaBin,LI Bo,WANG WeiQin,LEI En,TANG QiYuan

表5 不同栽培模式对“早籼晚粳”双季早稻干物质积累、群体生长速率和收获指数的影响

Table 5 Effect of different cultivation models on dry matter accumulation, crop growth rate and HI of “early indica and late japonica” double early rice

处理 Treatment 年份 Year 干物质积累 Dry matter accumulation (kg·hm-2) 群体生长速率 Crop growth rate (kg·hm-2·d-1) 收获指数 HI 齐穗期 Flowering stage 成熟期 Mature stage 移栽-齐穗期Transplanting to flowering stage 齐穗-成熟期 Flowering to mature stage CK 2017 3960 6190 73.3 85.9 0.48 2018 2560 6230 52.2 110.0 0.60 平均Mean 3260±990D 6210±20C 62.8±14.9C 97.9±17.1A 0.54±0.08B FM 2017 7520 8950 136.8 54.8 0.53 2018 6200 10280 114.9 175.3 0.56 平均Mean 6860±930B 9610±940B 126.0±15.5B 115.0±85.2A 0.54±0.02B T1 2017 6830 10910 119.8 151.2 0.55 2018 5550 11280 108.9 171.7 0.62 平均Mean 6190±900C 11090±260B 114.0±7.70B 161.5±14.5A 0.58±0.05A T2 2017 8720 11770 153.0 113.1 0.53 2018 7380 12820 144.8 217.5 0.59 平均Mean 8050±940A 12300±740A 149.0±5.80A 165.3±73.9A 0.56±0.04AB