Nebaba K. Varietal productivity of sowing peas depending on the nutrition of mineral fertilizers and growth regulators in the conditions of the western Forest-steppe

The dissertation work presents the results of scientific research on the study of the influence of the variety, mineral fertilizers, and growth regulators on the growth, development, structure, yield, and quality indicators of sowing pea grain in the conditions of the western Forest-steppe. The positive influence of technology models was established, which determine the maximum realization of the biological potential of pea varieties. Experimental data obtained during three years of research showed that the application of mineral fertilizers in doses of N30P30K45 and the Vympel growth regulator will provide the best indicators of the photosynthetic and symbiotic apparatus, which, as a result, leads to the maximum yield and a high level of profitability of cultivating the Chekbek variety. The introduction of the higher norms of nitrogen fertilizers N45P30K45 less effectively influenced the biological productivity of grain, since the introduction of mineral nitrogen in a higher dose led to the suppression of the symbiotic and photosynthetic apparatus, which are the main indicators for the formation of the yield of leguminous crops, including pea.