Energy working and balance in several agroecosystems
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Abstract
studies on energy working performed in 20 farms from La Palma
municipality, Pinar del Rio. The following indicators were
evaluated: energy production, protein production, amount of
persons that can be fed by the farm considering energy and
protein requirements, as well as input /output energy unit ratio.
Data and calculations were recorded by means of Energía
software. Thus, it was concluded that energy balance in those
farms is mainly affected by external inputs supplied for animal
production purposes. Such inputs correspond to food
concentrates for pig breeding in most cases, whereas those
applied to crops are not significant factors, since they are
used in tiny proportions.
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