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A biophysical analysis of agricultural production in Ghana: History and potential for food self-sufficiency.

机译：加纳农业生产的生物物理分析：粮食自给自足的历史和潜力。

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The extensive farming system still prevails in Ghana. In spite of this, the FAO has reported a decline in under-nourishment for Ghana. I analyzed the potential of the extensive system for this achievement. I used empirical data to analyze the efficiency land, labor and fertilizer on food production in Ghana. I also developed and used a computer model that predicts population growth and food production till 2031. The results indicate increasing trends in per capita food production and dietary energy supply. The increase however, has been due mainly to increases in acreage and labor. Fertilizer use in the country is very minimal and contributes very little to food production. The extensive system has been capable of supporting the food requirements in Ghana. Its future potential is however, limited since land area remains the same. Therefore neither extensification nor intensification can be counted on to feed the expected population.

机译：广泛的耕作制度仍然在加纳盛行。尽管如此，粮农组织报告加纳的食物不足状况有所减少。我分析了实现这一目标的广泛系统的潜力。我使用经验数据来分析加纳的土地，劳动力和肥料对粮食生产的效率。我还开发并使用了一种计算机模型，该模型可以预测到2031年的人口增长和粮食生产。结果表明人均粮食生产和膳食能源供应的趋势在增加。但是，增加主要是由于面积和劳动力的增加。该国的肥料使用非常少，对粮食生产的贡献很小。广泛的系统已经能够满足加纳的食品需求。但是，由于土地面积保持不变，其未来潜力有限。因此，不能指望扩大化或集约化来养活预期的人口。

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作者
Quaye, Amos Kojo.;
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作者单位

State University of New York College of Environmental Science and Forestry.;

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授予单位 State University of New York College of Environmental Science and Forestry.;
学科 Agriculture Agronomy.; Environmental Sciences.
学位 M.S.
年度 2006
页码 89 p.
总页数 89
原文格式 PDF
正文语种 eng
中图分类农学（农艺学）;环境科学基础理论;
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8. Potential Increases in Food Supply Through Research in Agriculture. Constraints on Increasing Agricultural Production in the Tropics. Research and Implementation Needs. [R] . oyer,edwin b. hanrahan,charles e. 1976

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A biophysical analysis of agricultural production in Ghana: History and potential for food self-sufficiency.

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