ISSN 2073-3402 (Print)

List of issues > Series «Earth Sciences». 2018. Vol. 23

Energy Analysis of Agroecosystems Functioning in Conditions of Natural Saturation: the First Results

A. V. Pozdnyakov, K. A. Semenova, T. S. Fuzella
In the paper the study’s results of dynamics functioning of the agro-ecosystems in the natural saturation conditions are given. The principles and provisions of the methodology of geosystems self-organization are presented, the short algorithm of energy analysis of geosystems is proposed. The results of agroecosystems energy evaluation in different climatic conditions are shown, that allows assessing and comparing the energy efficiency of natural-climatic and economic resources. In particular, based on analysis of energy efficiency of functioning of farm Tomsk region the flow-oriented model of the agroecosystem as operationally closed structure has been developed. Hence, with use science-based and rational-based management system optimization of energy costs in the AGES of the Tomsk region can be reduced to 50 % per year. For the steppe zone of Kazakhstan the natural savings of energy that has been generated through precipitation is 16.4 GJ/ha. The most real value of organic fertilizer to maintain the fertility of dark chestnut soils in the energy measurement is 3,7 GJ/ha. The use of energy assessment, in combination with economic, objectively reflects the essence of the ongoing social-economic processes and reveals the true labor costs of production. In the article the technique of research of geosystems functioning with saturation has been considered, the challenges for further research are set.
For citation:
Pozdnyakov A.V., Semenova K.A., Fuzella T.Sh. Energy Analysis of Agroecosystems Functioning in Conditions of Natural Saturation: the First Results. The Bulletin of Irkutsk State University. Series Earth Sciences, 2018, vol. 23, pp. 83-96. https://doi.org/10.26516/2073-3402.2018.23.83. (in Russian)
agroecosystem, energy assessment, system approach, self-organization of geosystems, feedbacks, saturation dynamics, dynamics with exacerbation




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