ECONOMIC AND ENERGY EFFICIENCY OF PERENNIAL AGROPHYTOCENOSES WITH THE JERUSALEM ARTICHOKE PARTICIPATION IN THE KARELIA CONDITIONS

Authors

  • L. P. Evstratova Laboratory of agricultural technologies «Vilga», Department of Multidisciplinary Scientific Research of the Karelian Research Centre Russian Academy of Sciences
  • E. A. Kondratyuk Laboratory of agricultural technologies «Vilga», Department of Multidisciplinary Scientific Research of the Karelian Research Centre Russian Academy of Sciences

DOI:

https://doi.org/10.31857/2500-2082/2023/3/28-31

Keywords:

agrophytocenoses, topinambur, economic and energy efficiency, Repablic of Karelia

Abstract

The article presents the results of the research of cultivation technology of topinambur with perennial legumes and grasses in the Republic of Karelia. The highest dry mass yield (9.3 t/ha) has been achieved by joint agrophytocenosis with Helianthustuberosus L. in comparison with the control of timothy grass + brome grass + clover (7.9 t/ha). Inclusion of topinambur has increased productivity of perennial stands of grass (7.99 thousand fodder units, 97.0 GJ of metabolizable energy, 1.34 t of crude protein per 1 ha). On the basis of economic and energy efficiency, it has been proved that agrophytocenoses of topinambur and perennial legumes and grasses are the most economically efficient. The maximum value of the agro-energy coefficient in terms of metabolizable energy has been obtained in the following variant: timothy grass + brome grass + clover + topinambur.

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Published

2023-06-08

Issue

No. 3 (2023): May-June

Section

РАСТЕНИЕВОДСТВО И СЕЛЕКЦИЯ

How to Cite

Evstratova, L. P., & Kondratyuk, E. A. (2023). ECONOMIC AND ENERGY EFFICIENCY OF PERENNIAL AGROPHYTOCENOSES WITH THE JERUSALEM ARTICHOKE PARTICIPATION IN THE KARELIA CONDITIONS. Vestnik of the Russian Agricultural Science, 3, 28-31. https://doi.org/10.31857/2500-2082/2023/3/28-31