长期施肥处理对双季晚稻叶绿素荧光特征及籽粒产量的影响

侯红乾,林洪鑫,刘秀梅,冀建华,刘益仁,蓝贤瑾,吕真真,周卫军

Influence of long-term fertilizer application on chlorophyll fluorescence characteristics and grain yield of double cropping late rice

Hong-Qian HOU,Hong-Xin LIN,Xiu-Mei LIU,Jian-Hua JI,Yi-Ren LIU,Xian-Jin LAN,Zhen-Zhen LYU,Wei-Jun ZHOH

表3 有机无机肥配施对晚稻旗叶快速光曲线的影响

Table 3 Effects of organic and inorganic combined fertilization on rapid light curve of late rice flag leaves

处理 Treatment ETRmax (μmol m-2 s-1) 初始斜率 Initial slope rate (α) Ek (μmol m-2 s-1) R2 齐穗期 FHS PK 79.30 0.207 383.09 0.9998 NPK 83.78 0.212 395.19 0.9997 70F+30M 117.61 0.218 539.50 0.9995 50F+50M 61.58 0.188 327.55 0.9997 30F+70M 66.70 0.172 387.79 0.9998 齐穗10 d 10DAFS PK 61.40 0.179 343.02 0.9980 NPK 57.71 0.199 290.00 0.9999 70F+30M 56.22 0.180 312.33 1 50F+50M 63.28 0.188 336.60 0.9997 30F+70M 69.92 0.189 369.95 0.9997 处理 Treatment ETRmax (μmol m-2 s-1) 初始斜率 Initial slope rate (α) Ek (μmol m-2 s-1) R2 齐穗20 d 20 DAFS PK 41.83 0.157 266.43 0.9998 NPK 60.64 0.173 350.52 0.9994 70F+30M 84.39 0.214 394.35 0.9992 50F+50M 71.54 0.203 352.41 0.9996 30F+70M 50.75 0.161 315.22 0.9993 齐穗30d 30 DAFS PK 49.19 0.133 369.85 0.9995 NPK 18.39 0.053 346.98 0.9958 70F+30M 31.15 0.101 308.42 0.9983 50F+50M 25.60 0.074 345.95 0.9972 30F+70M 28.00 0.078 358.97 0.9988