Krummel, John

The resource costs of agricultural production - Chicago: Institute of Gas Technology, 1976 - pp. 359-370

Impreso. El artículo es parte de: Clean fuels from biomass, sewage, urban refuse, agricultural wastes: symposium papers.

06104

The resource inputs of energy, land and labor are analyzed for various food production systems. U.S. type intensive agriculture relies on large amounts of fossil fuel, fertilizer, and machinery to obtain high food yields. The ratio of the kilocalorie return of food energy to the total energy input is relatively low, ranging from 0.65 to 2.52 for the intensive crop production systems discussed...


Agricultura
Aspectos Económicos
Energía
Congresos y Conferencias


Estados Unidos

333.953 / I249 / 1976


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