Abstract—When studying various technologies and their synthesis, a holistic system-oriented approach is preferable, which provides a solution to the problem of the systems under study for various conditions. It has been established that the productivity in recent years in Siberia increases without development; an increase in costs per unit area leads to an increase in yield but does not reduce the cost per unit of production. To increase the yield, sophistication is necessary: the modernization of the proposed technological solutions through the use of agricultural technologies of various levels of intensity based on new scientific and technical achievements. The results of the work made it possible to obtain research methods for agricultural technologies for managing the productivity of agrocenoses (using the example of the cultivation of grain crops in Siberia). Limited resources often do not allow using more efficient technologies of different levels of intensity to increase the yield of grain crops. The use of various methods of mathematical analysis, probability theory, and linear programming methods, based on the data of experimental studies carried out for irrigated and rainfed agriculture, made it possible to develop algorithms and nomograms to search for technologies that provide more efficient ways of cultivating grain crops. It is known that the yield is an integral indicator of the efficiency of agriculture. The random nature of this indicator requires the use of different distribution laws. The most effective, from our point of view, was the use of Euler functions, in particular, the Euler’s beta function. This made it possible, using the example of experimental data for the average yield of grain crops in the amount of 30 c/ha (which is the generally accepted average world yield for grain crops), to construct effective algorithms for choosing sets of intensity levels of technologies for cultivating agrocenoses. The cost function is determined, the value of which is in good agreement with the experimental data (costs) obtained for irrigated agriculture. It is generally recommended to consider four intensity levels of agricultural technologies. However, for the conditions of Western Siberia (according to Siberian Federal Scientific Center of Agrobiotechnology, Russian Academy of Sciences), it is recommended to consider three levels.
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Funding
This work was carried out with partial support from the program of fundamental scientific research of the Siberian Branch of the Russian Academy of Sciences no. 1.5.1, project no. 0314-2019-0018, and the Russian Foundation for Basic Research grant no. 19-010-00910.
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Utenkov, G.L., Rapoport, E.O. & Vlasenko, A.N. Synthesis of Agrotechnologies for Productivity Management of Agrocenoses in Siberia. Russ. Agricult. Sci. 47, 123–128 (2021). https://doi.org/10.3103/S1068367421020154
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DOI: https://doi.org/10.3103/S1068367421020154