品种搭配对湖北省玉米-晚稻复种产量及资源效率的影响

刘志辉, 潘高峰, 陈文, 秦明广, 曹凑贵, 常昌龙, 展茗

Effects of varieties collocation between crop seasons on the yield and resource use efficiency of maize-late rice cropping in Hubei province

Zhi-Hui LIU, Gao-Feng PAN, Wen CHEN, Ming-Guang QIN, Cou-Gui CAO, Chang-Long CHANG, Ming ZHAN

表5 玉-稻系统不同品种搭配模式下资源生产效率的差异

Table 5 Production efficiency of resources under different modes of varieties collocation of maize-late rice cropping system

试验地点 Experimental plots 种搭配模式 Modes of varieties collocation 积温生产效率 Production efficiency of AT (kg hm-2 ℃ -1) 光能生产效率 Production efficiency of radiation (g hm -2 MJ-1) 降水生产效率 Production efficiency of precipitation (kg hm-2 mm-1) 氮肥偏生产力 Nitrogen partial factor productivity (kg kg-1 N) 玉米 Maize 晚稻 Late rice 周年 Annual 玉米 Maize 晚稻 Late rice 周年 Annual 玉米 Maize 晚稻 Late rice 周年 Annual 玉米 Maize 晚稻 Late rice 周年 Annual 2015漳河 Zhanghe in 2015 EM-JR 6.32 a 4.64 c 5.49 c 0.43 a 0.37 b 0.41 b 19.22 a 20.64 c 19.78 c 33.68 a 30.40 c 32.24 b EM-IR 6.72 a 6.51 a 0.55 a 0.49 a 31.12 a 23.79 a 43.73 a 38.07 a MM-JR 5.71 b 4.37 c 5.09 d 0.39 b 0.35 b 0.38 c 18.48 a 18.15 c 18.35 c 32.38 a 26.25 d 29.69 c MM-IR 6.10 b 5.89 b 0.51 a 0.44 b 26.34 b 21.50 b 37.00 b 34.40 b 2017屈家岭 Qujialing in 2017 EM-JR 7.75 a 3.88 c 5.72 c 0.49 a 0.32 c 0.41 c 22.99 b 10.26 b 15.96 c 39.59 b 28.03 b 34.53 c EM-IR 4.47 ab 6.05 b 0.38 b 0.44 b 11.66 a 16.73 b 31.87 a 36.22 bc MM-JR 8.06 a 4.40 b 6.32 a 0.51 a 0.37 b 0.45 ab 26.35 a 10.54 b 17.64 a 45.49 a 28.71 b 38.15 ab MM-IR 4.83 a 6.54 a 0.42 a 0.47 a 11.38 a 18.10 a 31.02 a 39.15 a 2017梅家墩 Meijiadun in 2017 EM-JR 5.47 b 4.37 c 4.90 d 0.42 b 0.40 c 0.41 d 15.26 b 17.56 c 16.25 b 29.12 b 32.54 c 30.61 c EM-IR 5.32 b 5.39 c 0.52 b 0.47 c 20.57 b 17.54 b 38.11 b 33.05 b MM-JR 6.48 a 5.60 b 6.05 b 0.50 a 0.52 b 0.51 b 19.17 a 21.29 ab 20.08 a 36.54 a 39.41 b 37.81 a MM-IR 6.41 a 6.45 a 0.64 a 0.56 a 23.39 a 20.98 a 43.33 a 39.52 a