西北黄土高原旱作区不同地膜覆盖种植模式谷田水温效应及水分利用效率研究

温蕊, 陈茜午, 赵雅杰, 贾祎明, 卢旭东, 张继宏, 李焕春, 赵沛义, 张永虎

Study on Water Temperature Effects and Water Use Efficiency of Paddy Field under Different Plastic Film Mulching Planting Patterns in Arid Area of Loess Plateau in Northwest China

Wen Rui, Chen Qianwu, Zhao Yajie, Jia Yiming, Lu Xudong, Zhang Jihong, Li Huanchun, Zhao Peiyi, Zhang Yonghu

表1 不同处理间产量及其性状与群体水分利用率差异

Table 1 Differences in yield and its traits and population water use efficiency among different treatments

处理 Treatment 单穗重 Panicle weight (g) 单穗粒重 Grain weight per panicle (g) 千粒重 1000-grain weight (g) 产量 Yield (kg/hm2) 群体水分利用率 WUE [kg/(mm?hm2)] T1 10.75±0.48Aa 8.25±0.65Aa 2.78±0.09Aa 3288.31±60.69Aa 12.33±0.18Aa T2 5.76±0.56Bc 4.03±0.3Bc 2.61±0.03Abb 1567.45±80.28Bb 5.83±0.29Bb T3 9.59±0.32Ab 7.31±0.2Ab 2.76±0.05Aa 1724.2±135.28Bb 6.43±0.49Bb CK 5.07±0.63Bc 3.87±0.6Cb 2.45±0.08Bc 1287.31±80.78Cc 4.78±0.32Cc 平均值Mean 7.79±2.57 5.87±2.07 2.65±0.15 1966.82±817.38 7.35±3.08 标准差SD 2.80 2.25 0.15 899.34 3.39 变异系数CV (%) 35.95 38.26 5.82 45.73 46.21