Yield of spring barley depending on the hydrothermal conditions of vegetation in the conditions of the Middle Trans-Urals
https://doi.org/10.30766/2072-9081.2022.23.6.852-859
Abstract
The purpose of the research is to study the influence of hydrothermal conditions of vegetation of 2011-2022 on the yield of spring barley of the Rodnik Prikamya variety in the conditions of the Middle Trans-Urals. Barley was cultivated in a traditional field grain-grassfallow seven-field crop rotation against two backgrounds of mineral nutrition (without fertilizers, N60P30K60). In the conditions of a long stationary experiment, the influence of indicators of moisture and heat supply of vegetation periods (air temperature, precipitation amount, G. T. Selyaninov hydrothermal coefficient) and mineral fertilizers on barley yield was analyzed. The analysis proves the reliability of the relationship, and the regression equations for the curvilinear dependence make it possible to predict the yield of spring barley for both backgrounds of mineral nutrition in typical soil and climatic conditions for the Middle Trans-Urals. For the variant with the introduction of mineral nutrition, with a prediction accuracy of 84.56 %: Y = -1.22163X2 + 0.69X + 4.01388626, where Y is the predicted yield, t/ha, X is the hydrothermal coefficient of May. For the variant without mineral fertilizers: Y = -0.080X2 + 0.5844X + 2.5506, where Y is the predicted yield, t/ha, X is the hydrothermal coefficient of June. The accuracy of forecasting the yield of spring barley by the hydrothermal coefficient of June is 77.89 %.
Keywords
Supporting agencies: The research was carried out under the support of the Ministry of Science and Higher Education of the Russian Federation within the state assignment of the Perm Federal Research Center of the Ural Branch of the Russian Academy of Sciences (topic No. AAAA19-119032190059-8 and 122032200247-7). The authors thank the reviewers for their contribution to the peer review of this work.
About the Authors
D. S. Fomin
Perm Research Institute of Agriculture, Perm Federal Research Center of the Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Denis S. Fomin, PhD in Agricultural Science, Head of the Laboratory of Precision Technologies in Agriculture
Kultury str., 12a, Lobanovo village, Perm Krai, 614532
N. N. Yarkova
Perm State Agro-Technological University
Russian Federation
Russian Federation
Nadezhda N. Yarkova, PhD in Agricultural Science, associate professor at the Department of Plant Growing
Petropavlovskaya str., 23, Perm, Perm Krai, 614990
S. S. Polyakova
Perm Research Institute of Agriculture, Perm Federal Research Center of the Ural Branch of the Russian Academy of Sciences; Perm State Agro-Technological University
Russian Federation
Russian Federation
Sofia S. Polyakova, junior researcher, the Laboratory of Precision Technologies in Agriculture, Perm Research Institute of Agriculture, Perm Federal Research Center of the Ural Branch of the Russian Academy of Sciences; postgraduate student of the Department of Plant Growing, Perm State Agro-Technological University
Kultury str., 12a, Lobanovo village, Perm Krai, 614532
Petropavlovskaya str., 23, Perm, Perm Krai, 614990
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Review
For citations:
Fomin D.S., Yarkova N.N., Polyakova S.S. Yield of spring barley depending on the hydrothermal conditions of vegetation in the conditions of the Middle Trans-Urals. Agricultural Science Euro-North-East. 2022;23(6):852-859. (In Russ.) https://doi.org/10.30766/2072-9081.2022.23.6.852-859
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