黑龙港地区主要农作物生产的技术效益分析

以衡水市桃城区邓庄乡８个材２４９个农户５种主要农作物生产的投入产出调查资料为依据，应用统计最大生产函数模型对小麦、棉花、夏玉米、春大豆、夏大豆生产的技术效益进行分析，结果表明：小麦生产的技术效益在５种作物中最高，其余依次为棉花、夏大豆、夏玉米、春大豆；技术效益总体上随投入量的增加而提高；小麦、棉花、夏大豆、夏玉米、春大豆的技术增产潜力分析为２６．８％、３９．４％、４１．８％、４５．１％和５４．５％。

The analysis on technical efficiency of main crop production in Heilonggang area

Survey data on input and output of 5 main crops collected from 249 farmer households within 8 villages in Dengzhuang township, Hengshui were used and statistical frontier production function model was employed to analyze technical efficiency of production of winter wheat, cotton, summer corn, spring soybean and summer soybean.The results were shown as the following: 1)technical efficiency of wheat production ranked the top of the 5 crops and sequentially cotton, summer soybean, summer corn and spring soybean; 2)technical efficiency increased along with the growth of inputs to crops; and 3) the technical potentials for yield increase in winter wheat, cotton, summer soybean, summer corn and spring soybean were 26.8%,39.4%,41.8%,45.1% and 54.5% respectively.