不同土壤耕作模式对双季水稻生理特性与产量的影响

唐海明,肖小平,李超,汤文光,郭立君,汪柯,程凯凯,潘孝晨,孙耿

Effects of different soil tillage systems on physiological characteristics and yield of double-cropping rice

Hai-Ming TANG,Xiao-Ping XIAO,Chao LI,Wen-Guang TANG,Li-Jun GUO,Ke WANG,Kai-Kai CHENG,Xiao-Chen PAN,Gen SUN

表3 不同土壤耕作方式对水稻产量及构成因素的影响

Table 3 Effects of different soil tillage treatments on yield and yield component of rice

年份 Year 处理 Treatment 有效穗 Effective panicle (×104 hm-2) 每穗粒数 Spikelets per panicle 结实率 Seed setting rate (%) 千粒重 1000-grain weight (g) 产量 Yield (kg hm-2) 收获指数Harvest index 早稻 Early rice 2016 CT 366.8±9.2a 105.1±3.0a 78.56±2.27a 24.65±0.68a 6469.5±230.4a 0.50±0.01a RT 360.6±10.6a 102.8±2.9a 75.82±2.10ab 24.54±0.71a 6270.3±230.4ab 0.51±0.01a NT 351.3±10.1a 100.3±2.8a 72.64±2.24ab 24.23±0.70a 6036.7±162.9ab 0.52±0.02a RTO 346.9±7.6a 100.5±2.9a 70.25±2.03b 24.16±0.70a 5736.2±163.8b 0.52±0.02a 2017 CT 367.9±11.1a 103.2±2.6a 78.86±2.24a 24.73±0.62a 6543.6±166.5a 0.48±0.01a RT 362.1±11.4a 100.9±2.4a 76.14±2.14ab 24.65±0.64a 6369.4±171.9ab 0.49±0.01a NT 353.3±10.7a 98.4±2.8a 72.96±2.16ab 24.32±0.66a 6088.7±160.2ab 0.50±0.01a RTO 348.5±12.5a 98.6±2.2a 70.53±2.12b 24.24±0.60a 5812.5±163.8b 0.50±0.01a 晚稻 Late rice 2016 CT 369.8±10.6a 103.5±2.8a 83.15±2.39a 25.31±0.71a 6970.2±144.9a 0.49±0.01a RT 362.0±10.3a 101.8±2.8a 82.83±2.39ab 25.33±0.73a 6787.5±100.8ab 0.50±0.01a NT 356.4±10.2a 100.3±2.8a 82.16±2.37ab 25.15±0.70a 6670.6±144.9ab 0.52±0.02a RTO 355.7±10.2a 98.6±2.7a 80.27±2.32b 25.04±0.71a 6387.7±169.2b 0.53±0.02a 2017 CT 366.5±10.6a 102.1±2.7a 84.24±2.35a 25.42±0.71a 6919.1±103.5a 0.47±0.01a RT 358.9±10.3a 100.4±2.8a 83.92±2.37ab 25.44±0.74a 6760.4±137.7ab 0.48±0.01a NT 353.3±10.8a 98.9±2.6a 83.66±2.38ab 25.27±0.75a 6546.6±115.2ab 0.49±0.01a RTO 352.9±10.7a 97.2±2.7a 81.37±2.31b 25.13±0.70a 6201.5±111.6b 0.50±0.01a