GRAIN QUALITY OF PEA VARIETIES, DIFFERING IN THE ARCHITECTONICS OF THE LEAF APPARATUS, DEPENDING ON THE LEVEL OF APPLICATION OF MINERAL FERTILIZERS
2020
Golopyatov, M.T. | Kondrashin, B.S.
The article presents the results of many years of research (2017-2019 years) on the effect of mineral fertilizers on dark gray medium loamy soils in the conditions of the Oryol region on the grain quality of pea varieties, differing in the architectonics of the leaf apparatus (leafy, leafless, with longline heterophilia - chameleons and lupinoids ). The positive effect of mineral fertilizers on pea productivity has been established. Varietal reaction to fertilizer was revealed. The most responsive varieties for fertilizers are the leafless cultivar Pharaoh and Spartak (chameleon), the coefficient of responsiveness for fertilizers ranged from 123 to 148% depending on the options. The application of mineral fertilizers significantly increased the yield of feed units per hectare and the exchange energy in the grain harvest. The use of fertilizers increased the protein content in the grain and its collection from a unit area. Compared to the control without fertilizers, the collection of protein during their use, on average, increased by varieties by 0.7-1.7 c/ha. All studied varieties contain significantly more protein in 1 feed unit than the zootechnical standards require, which makes it possible to balance compound feed and animal diets with protein content. Varieties and lines of peas, differing in the architectonics of the leaf apparatus, are relatively resistant to lodging. Of the varieties studied in experiments, the lupinoid was the most prone to lodging. The degree of its lodging ranged depending on the dose of fertilizers from 2.1 to 3.3 points.
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