ENERGETICALLY CLOSED AGRICULTURAL SYSTEMS

2002, 3 (4)   p. 321-332

K KUDRNA, M ŠINDELÁŘOVÁ

Abstract

In the presented work, we attempted to carry out a quantitative evaluation of a closed agricultural system, with the aim of increasing its stability and invariance. Closing the agricultural system in the first degree means using a part of waste materials in a submontane and mountain farm for the production of biogas. The second degree presupposes the inclusion of crops rich in energy– oil-seed rape - into the inner structure of the system, and finally the third degree of closing the system considers using biogas for transformation of a part of starch production – cereals – into ethanol as a fuel. The principle of closing the system requires the optimization of its inner structure relying on the principle of well-balanced state of the carbon processes.

Keywords

agricultural system, energetics, closed agricultural system, mountain and submontane regions

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