水稻生产中的资源利用效率:以加纳Dangme西部地区的Kpong灌溉项目为例

F. Nimoh, E. K. Tham-Agyekum, Philip Kwaku Nyarko
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引用次数: 20

摘要

本研究以锦江灌溉工程(KIP)为例,探讨水稻生产中资源利用的效率。采用简单随机抽样技术,选取了70名农民。利用Cobb-Douglass生产函数估计各分析变量的系数,并利用MPP、MVP和配置效率指数估计研究区资源利用效率。回归结果表明,农户正处于规模收益递减的第二生产阶段(利用elas- ticities)。效率计算结果表明,研究区土地利用率(6.63)、肥料利用率(1.76)和种子利用率(10.84)偏低,劳动力利用率(0.000036)和化肥利用率(10.84)过高。该研究建议,KIP应着手进行道路维修工程、提供适当的机械服务和清除排水渠的淤泥。
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Resource Use Efficiency in Rice Production: the Case of Kpong Irrigation Project in the Dangme West District of Ghana
This study was conducted to determine the efficiency of resource use in rice production with the Kpong Irri- gation Project (KIP) as a case study. Seventy farmers were selected using the simple random sampling technique. The Cobb-Douglass production function was used to estimate the coefficients of the various variables analysed and MPP, MVP and allocative efficiency index were also used to estimate the efficiency of resource use in the study area. The regression results showed that the farmers were in the second stage of production, which is, decreasing returns to scale (using the elas- ticities). The results of the efficiency computation indicated that land (6.63), fertilizer (1.76) and seed (10.84) were being underutilized and labour (0.000036) and chemicals were being highly over utilized in the study area. The study recom- mends that KIP should embark on repair works on the roads, provide appropriate machinery services and desilting the drains.
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