Algorithmization of bioproductivity management of winter grain crops adjusting the Selyaninov hydrothermal coefficient in the soiland climatic conditions of Southern Russia

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Abstract

Managing production processes in irrigated agriculture based on a comprehensive consideration of agroclimatic conditions for winter grain crop cultivation is one of the key scientific and practical tasks of modern crop production, directly related to increasing the efficiency of agrotechnical and land reclamation measures. This problem is particularly significant for the arid soil and climatic zones of southern Russia, where, in conditions of increasing environmental aridity, crop yields are determined by a complex interaction of climatic, biological, and technological factors. Numerous studies indicate a trend toward further increasing moisture deficits and other production constraints due to climate change, necessitating improved grain crop cultivation technologies that are aimed at adapting agroecosystems to challenging natural and economic conditions and consider hydrothermal parameters. The objective of this study was to eliminate the biotechnological contradiction between high yields of low quality and the production of high-quality grain that does not ensure the return on production costs. To develop a technology for cultivating agricultural crops considering the influence of hydrothermal conditions, an analysis of the soil and climatic conditions of the Volgograd region was carried out as a typical representative of the risky farming zone in Southern Russia. A “Method for Managing Agricultural Plant Production Processes in Extreme Continental Climate Conditions” (RU Patent No. 2228607) and a technology for managing winter crop bioproductivity were developed, taking into account the zonal values of the Selyaninov hydrothermal coefficient (Gsel = 0.3…0.6), typical of the arid conditions of southern Russia. The technology, tested under production conditions in the Volgograd region, enables the management of processes for achieving biological productivity in winter grains in arid soil and climatic conditions while simultaneously assessing their yield potential.

About the authors

Dmitry A. Rogachev

Russian Research Center for Hydraulic Engineering and Land Reclamation named after A.N. Kostyakov

Email: Rogachev.soft@gmail.com
ORCID iD: 0009-0003-4014-4770
SPIN-code: 1948-7354

Candidate of Engineering Sciences, Leading Researcher

44 Bolshaya Akademicheskaya st., Moscow, 127550, Russian Federation

Aleksey F. Rogachev

Volgograd State Agrarian University

Author for correspondence.
Email: rafr@mail.ru
ORCID iD: 0000-0002-3077-6622
SPIN-code: 8413-5020

Doctor of Engineering Sciences, Professor, Department of Mathematical Modeling and Computer Science

26 Universitetsky ave., Volgograd, 400002, Russian Federation

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