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6 不同栽培模式对“早籼晚粳”双季晚稻干物质积累、群体生长速率和收获指数的影响
Table 6 Effect of different cultivation models on dry matter accumulation, crop growth rate and HI of “early indica and late japonica” double late rice
年份
Year
处理
Treatment
品种
Cultivar
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
2017CKYY154064909080129.856.30.52
YY494966009840120.173.60.56
平均Mean6550±80A9460±540D125.0±6.90A65.0±12.2C0.54±0.03A
FMYY1540620011330119.1109.20.50
YY4949582011250102.0123.50.51
平均Mean6010±270A11290±60C110.6±12.1A116.4±10.1B0.51±0.01B
T1YY1540553014250104.3189.60.49
YY4949650014270112.1172.50.47
平均Mean6020±690A14260±10B108.2±5.50A181.1±12.1A0.48±0.01B
T2YY1540548015330103.3209.60.49
YY4949618015130106.5199.00.49
平均Mean5830±490A15230±140A104.9±2.30A204.3±7.5A0.49±0.00B
2018CKYY154051007470108.642.20.54
YY4949514068109.8829.10.54
平均Mean5120±30C7140±470D103.7±6.90D35.7±9.3D0.54±0.00A
FMYY15405660979078.670.40.54
YY49496190996086.064.30.54
平均Mean5930±370C9880±120C82.3±5.20C67.4±4.3C0.54±0.00A
T1YY1540777013490149.597.40.53
YY4949859014650156.3103.10.52
平均Mean8180±580B14070±820B152.9±4.80B100.3±4.0B0.53±0.01B
T2YY15401007020390186.5175.90.54
YY49491257020970220.5143.30.55
平均Mean11320±1770A20680±410A203.5±24.0A159.6±23.1A0.55±0.01A