【摘要】 分析陕北渭北地区旱地玉米生育期的水分盈亏量和各旬的降水自给率的地区分异 ,研究不同分区典型县区旱地的降水产量积分回归函数 ,探讨其降水对产量的影响规律 ,确定了不同分区玉米的最佳补充灌溉时期。更多还原

【Abstract】 By analyzing weather data and soil moisture deficit features, an integer correction production function is developed for typical counties in North Shaanxi and Weibei Plateau. The effects of rainfall on corn yield is studied, and the optimal corn growth stage for compensation irrigation in different regions also is presented in this paper.更多还原