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Realization of the Natural Resource Potential in Agricultural Landscapes of the Central Chernozem Region

  • FARMING AND AMELIORATION
  • Published:
Russian Agricultural Sciences Aims and scope

Abstract

This paper presents a comprehensive analysis of natural, soil, climatic, and agrotechnical conditions determining the yield of main crops cultivated in the Central Chernozem Region. The objects for scientific and theoretical generalizations were the interrelationships between crop yields on the one hand and agroclimatic parameters, soil quality, and application of fertilizers on the other hand. Belgorod, Kursk, and Lipetsk oblasts of the Central Chernozem Region feature the greatest numbers of years with optimal wetting conditions (60.3, 53.4, and 63.2%, respectively), while Voronezh and Tambov oblasts have the largest numbers of dry years (46.6 and 48.3%). In the period of 2012–2019, the average hydrothermal coefficient (HTC) amounted in the Central Chernozem Region to 0.92 varying from 0.41 to 1.67 (30%). In various parts of the Central Chernozem Region, the climatic potential of arable land productivity varies from 3400 to 7100 grain yield units per ha (14.4%). In terms of the soil fertility level, oblasts of the Central Chernozem Region form the following series: Belgorod > Voronezh > Kursk > Lipetsk > Tambov. In 1996–2019, the productivity of arable lands in these oblasts varied from 1510 to 4960 grain yield units per ha (34.9%). The average annual increase in the arable land productivity with time was 120 grain yield units per ha. In 2012–2019, the territorial variation in the arable land productivity was 2450 to 5530 grain yield units per ha. The crop yield formation is determined by interactions between natural (climatic and soil) and agrotechnical factors (the multiple correlation coefficient R = 0.52–0.81). The highest productivity of crops is achieved when the hydrothermal coefficient (HTC) is equal to 1.32.

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Authors and Affiliations

  1. All-Russia Scientific Research Institute of Agriculture and Erosion Protection, Kursk Federal Agricultural Research Center, 305021, Kursk, Russia

    O. G. Chuyan, L. N. Karaulova, O. A. Mitrokhina & A. N. Zolotukhin

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  1. O. G. Chuyan
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  2. L. N. Karaulova
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  3. O. A. Mitrokhina
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  4. A. N. Zolotukhin
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Correspondence to O. G. Chuyan.

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The authors declare that they have no conflict of interests. This article does not contain any studies involving animals or human participants performed by any of the authors.

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Translated by L. Emeliyanov

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Chuyan, O.G., Karaulova, L.N., Mitrokhina, O.A. et al. Realization of the Natural Resource Potential in Agricultural Landscapes of the Central Chernozem Region. Russ. Agricult. Sci. 47, 437–444 (2021). https://doi.org/10.3103/S1068367421050025

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  • DOI: https://doi.org/10.3103/S1068367421050025

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