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POSSIBILITIES FOR IMPROVEMENT OF ECONOMIC AND ENERGETIC EFFECTIVENESS OF SPRING BARLEY PRODUCTION DEPENDING ON NITROGEN FERTILIZATION LEVEL

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Author(s): Krystyna Żuk-Gołaszewska | Wojciech Truszkowski | Tomasz Winnicki

Journal: Acta Scientiarum Polonorum Agricultura
ISSN 1644-0625

Volume: 9;
Issue: 3;
Start page: 97;
Date: 2010;
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Keywords: cost calculation | cost generators | economic analysis | energy outlays | fertilization costs

ABSTRACT
This study compares the effectiveness of fertilization of spring barley of the cultivar Orthega relative to varied nitrogen fertilization rates in 2001, 2002 and 2004. Analysis of economic effectiveness was made on the basis of a record of measures and types of technological equipment used and outlays of labor and tractive force and material outlays, and the energy effectiveness of production on the basis of the ratio of energy contained in the obtained crops to energy outlays incurred in production. On the basis of determination of economic and energy effectiveness it was indicated that the optimal fertilization of fodder spring barley amounts to 80 kg N•ha-1. Cost analysis indicated that the main cost generator is work of tractors and machines. Additionally, growing nitrogen fertilization resulted in an increase in profitability index from an economic perspective and a decrease in value of production energy profitability index.
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