Productivity of clover varieties in the conditions of the Volga-Vyatka region
https://doi.org/10.31677/2072-6724-2023-66-1-39-45
Abstract
The selection of highly productive varieties is one way to increase crop yield, including red clover. New varieties should be specialised for the type of use and resistant to limiting environmental factors. The research aims to evaluate varieties of red clover of Russian and foreign breeding in terms of fodder and seed production in the conditions of the Volga-Vyatka region. The studies were carried out in 2019–2021. on soddy medium podzolic medium loamy soil in the forest-meadow zone of the Udmurt Republic. The meteorological conditions of the growing seasons in the years of research were different: 2019 - waterlogged Hydrothermal Coefficient (HTC) - 1.73), 2020 - slightly dry (HTC - 1.04), 2021 - dry (HTC - 0, 78), incl. in May and June significant dryness was noted (HTC - 0.42 and 0.52, respectively). Clover varieties reached mowing ripe in 56–61 days. Varieties Metis, Milena and Blizard stood out on average for two years of using red clover herbage in terms of yield (5.3–5.7 t/ha of dry weight). The increase in foliage up to 44–55% to 4.9–6.2 g (mass of one stem) contributed to high yields in these varieties. The dry matter of red clover varieties contained 0.3–0.7% phosphorus, 1.2–2.4% potassium and 0.5–1.1% calcium. The highest yield of metabolic energy (49.6 and 51.4 GJ/ha), digestible protein (0.60 and 0.65 t/ha) and feed units (3.87 and 3.89 thousand units/ha) were noted in varieties Dayana and Milena. The seed productivity of red clover varieties was 155–246 kg/ha. The highest (225–246 kg/ha) was observed in types Dayana, Krynia, VIK-77, and Ganymed. The yield of varieties Milena and Metis (198 and 205 kg/ha, respectively) was at the level of the standard array.
About the Authors
N. I. Kasatkina
Udmurt Federal Research Center, Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
N.I. Kasatkina, PhD in Agricultural Sciences
Izhevsk
Zh. S. Nelyubina
Udmurt Federal Research Center, Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Zh.S. Nelyubina, PhD in Agricultural Sciences
Izhevsk
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Review
For citations:
Kasatkina N.I., Nelyubina Zh.S. Productivity of clover varieties in the conditions of the Volga-Vyatka region. Bulletin of NSAU (Novosibirsk State Agrarian University). 2023;(1):39-45. (In Russ.) https://doi.org/10.31677/2072-6724-2023-66-1-39-45
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