加纳的农业转型

P. Hazell, X. Diao, E. Magalhaes
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引用次数: 0

摘要

本章提供了农业部门的广泛概述,并有助于在本书第二部分的每个后续章节中定位较窄的焦点。自20世纪80年代以来,加纳的农业在经济增长、劳动生产率、农业收入和农村贫困人口减少方面表现良好。然后,对已经发生的农业转型的主要特征进行了描述,并解释了这些模式背后的三个驱动因素:政策环境;人口对土地基础的压力日益增大;快速城市化。本章还确定了该国北部和南部地区的农业转型进展如何不同。在前者,农业生产和收入的大幅增长更多地来自种植面积和作物组合的增加,而不是来自产量的增加。土地生产率仅小幅提高,但劳动生产率却与工资水平同步大幅提高。在后一种情况下,农户利用城乡联系将收入来源多样化,转为非农业收入来源,农场变得更小、更兼职。尽管这些地区有更多的机会进入城市市场、服务、基础设施和日益增加的人口对土地基础的压力,但几乎没有证据表明农业集约化导致这些地区土地生产力的提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ghana’s Agricultural Transformation
This chapter provides a broad overview of the agricultural sector and helps situate the narrower focus in each of the subsequent chapters of Part II of the book. Ghana’s agriculture has performed reasonably well since the 1980s in terms of its growth, labor productivity, farm incomes, and the decline in rural poverty. It then provides a description of the main features of the agricultural transformation that has occurred, and explains three drivers underlying these patterns: the policy environment; growing population pressure on the land base; and rapid urbanization. The chapter also identifies how agricultural transformation is progressing differently in the northern and southern regions of the country. In the former, substantial increases in farm production and incomes has come more from increases in the cropped area and crop mix than from increased yields. Land productivity has increased only modestly, but labor productivity has increased substantially in line with wages. In the latter, farm households have taken advantage of urban–rural linkages to diversify into nonagricultural sources of income, and farms have become smaller and more part-time. Despite having greater access to urban markets, services, infrastructure and an increasing population pressure on the land base, there is little evidence of agricultural intensification leading to higher land productivity in these areas.
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