In the section Articles
Title of the article Revealing the Determinants of Wheat Yields in the Siberian Breadbasket of Russia with Bayesian Networks
Pages 39-83
Author 1 Alexander V. Prishchepov
PhD, Associate Professor
Department of Geosciences and Natural Resource Management, University of Copenhagen; Institute of Steppe of the UB RAS; Institute of Environmental Sciences, Kazan Federal University
Oster Voldgade 10, Kobenhavn K, 1350, Denmark; 11 Pionerskaya Street, Orenburg, Russia, 460000; 5 Tovarisheskaya Street, Kazan, Russia, 420097
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ORCID: 0000-0003-2375-1651
Author 2 Elena V. Ponkina
Candidate of Technical Sciences, Associate Professor
Faculty of Mathematics and Information Technology, Altai State University
Lenin Avenue, 61, Barnaul, Russia, 656049
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ORCID: 0000-0001-7604-6337
Author 3 Zhanli Sun
PhD, Senior Research Fellow
Leibniz Institute of Agricultural Development in Transition Economies (IAMO)
Theodor-Lieser-Strasse 2, 06120 Halle (Saale), Germany
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ORCID: 0000-0001-6204-4533
Author 4 Daniel Müller
PhD, Senior Research Fellow
Transition Economies (IAMO); Geography Department, Humboldt Universitat zu Berlin; Integrative Research Institute on Transformations of Human-Environment Systems (IRI THESys), Humboldt Universitat zu Berlin
Theodor-Lieser-Strasse 2, Halle (Saale), 06120, Germany; Unter den Linden 6, Berlin, 10099, Germany
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Abstract Higher crop yields are critical to satisfy the rising global food demand. Russia holds untapped potential for increasing agricultural production because current grain yields are often far below the potentially attainable yields. Western Siberia is an important breadbasket in Russia, where wheat yields fall particularly short of their potential. Our goal was to assess the determinants of yield variations among farmers in the province of Altai Krai in Western Siberia. We conducted 67 structured in-person interviews with corporate farm managers and individual farmers about the potential determinants of wheat yields and complemented these data with 149 additional observations obtained from the provincial agricultural extension service. We used Bayesian networks (BNs) to represent the relationships between the explanatory parameters and contemporary wheat yields and to examine qualitative future scenarios of future yields. The results revealed higher yields on larger farms than on medium and small farms. Our results corroborated that the application of fertilizers and herbicides and the implementation of new equipment had large positive impacts on the yields. The scenario of higher future production costs and lower precipitation resulted in a yield reduction from 7.6 dt/ha to 5.3. Overall, our results suggest that policies aimed at increasing wheat yields should concentrate on the education of farmers and encourage higher input applications, particularly for small-scale farms. Additionally, policies should address concurrent challenges, such as a higher drought frequency, through the application of new equipment, seed material and tillage practices
Code 519.1+631.1+332.1
JEL C12, Q12, Q18
DOI 10.14530/se.2019.1.039-083
Keywords Bayesian belief network ♦ food security ♦ land-use intensity ♦ scenario analysis ♦ wheat production ♦ yield gap ♦ Russia
Download SE.2019.1.039-083.Prishchepov.pdf
For citation Prishchepov A.V., Ponkina E.V., Sun Z., Muller D. Revealing the Determinants of Wheat Yields in the Siberian Breadbasket of Russia with Bayesian Networks. Prostranstvennaya Ekonomika = Spatial Economics, 2019, vol. 15, no. 1, pp. 39–83. DOI: 10.14530/se.2019.1.039-083. (In Russian).
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Financing This research was funded by the German Federal Ministry of Education and Research (BMBF, grant No. 01LL0905J) within the funding measure ‘Sustainable Land Management’, KULUNDA project. The work is performed according to the Russian Government Program of Competitive Growth of Kazan Federal University

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