Shcherbachuk V. Optimization of soybean growing technology elements under Western Forest-Steppe of Ukraine condition

The thesis work presents the researches result that highlight the peculiarities of growth, development, forming of photosynthetic, grain productivity and qualitative indicators of soybean seed depending on the variety, terms of sowing, fertilizing, application of herbicides and fungicides are presented in the article. On the basis of the obtained and generalized results data it is recommended to sow new soybean varieties: Ustia, Kolbi, Medison, and Annushka during the determined optimal term (the 5th of May), to apply fertilizers in the norm of N90Р90К90 ammonium nitrate (N45) + carbamide (N45) + MgSO4 (5%) + Ecolyst Standart (3 l/ha) + Ecolyst Standart (3 l/ha), one should apply herbicides Pulsar (0,75 l/ha) +Bazagran (2,5 l/ha) to control weeds in the phase of 3 leaves of the culture, to protect against diseases one should use fungicide Coronet (0,6 l/ha) at the first applying (budding phase), Abacus (1,5 l/ha) - at the second one (the end of blossom period). Scope - agriculture.