The effect of sowing dates and sowing rates of wintering pea varieties on protein percentage and yield of nutrients
2024
G. V. Metlina | S. A. Vasilchenko | A. R. Ashiev | N. S. Kravchenko
There have been presented the study results on determining the quality of grain of wintering peas varieties ‘Fokus’ and ‘Zimus’ depending on agricultural methods. The purpose of the current study was to determine protein percentage and yield of basic nutrients in grain of wintering peas, depending on sowing dates and rates. The current study was carried out at the FSBSI “ARC “Donskoy” in 2019–2021. The soil of the experimental plot was represented by ordinary carbonate heavy loamy chernozem. The forecrop was winter wheat. Weather conditions during the years of study were characterized by increased air temperatures in autumn and the return of cold weather in spring, which led to significant damage and thinning of crops. The amount of productive precipitation during the period of grain filling had a positive effect on productivity formation. There has been found that the greatest collection of basic nutrients was obtained in the second ten days of October with a sowing rate of 1.2 and 1.4 million pcs/ha for the varieties ‘Fokus’ and ‘Zimus’, respectively. For the variety ‘Fokus’, the highest crude protein percentage was 25.42 %, with 2.58 t/ha of feed units, 0.557 t/ha of crude protein, 25.31 GJ/ha of metabolic energy, with 189 g of a supply of a feed unit with digestible protein. For the variety ‘Zimus’, the highest crude protein percentage was 25.46 %, with 2.57 t/ha of feed units, 0.555 t/ha of crude protein, 24.62 GJ/ha of metabolic energy, with 190 g of a supply of a feed unit with digestible protein. The studied varieties according to digestible protein percentage were at the level of 205–219 g per a kg of grain.
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