Energy Use in Agriculture

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Energy Use in Agriculture

M Giampietro, Istituto Nazionale di Ricerca per gli Alimenti e la Nutrizione, Rome, Italy

Published online: January 2003

DOI: 10.1038/npg.els.0003294

Full Article on Wiley Online Library

Abstract
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The function of agriculture is to supply food and other biomass to match, in quantity and quality, the demands of population. This requires analysis from various perspectives: energy analysis is one way of describing agricultural performance and technical change, studying future trends, and assessing the human impact on ecological systems aimed at producing crops and livestock.

Keywords: energy analysis; output analysis; input analysis; world agriculture; animal production; fossil energy; sustainability

References
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Article Title:	Energy Use in Agriculture
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	Figure 1. Percentage of labour force and GDP in agriculture versus GDP per capita (1991 US$). From Giampietro (1997a), with permission.
	Figure 2. Technical inputs related to demographic pressure: (a) irrigation; (b) nitrogen fertilizer. From Giampietro et al. (1999), with permission.
	Figure 3. (a) Productivity of labour versus socioeconomic pressure. (b) Productivity of land versus demographic pressure. From Giampietro (1997a), with permission.

Energy Use in Agriculture

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