Agriculture and forestry

Razanov Serhii Fedorovych – Doctor of Agricultural Sciences, Professor, Head of the Department of Ecology and Environmental Protection of the Vinnytsia National Agrarian University (21008, Vinnytsia, Soniachna Str. 3, e-mail: razanov@vsau.vin.ua).

Khaietskyi Hryhorii Sylvestrovych – Candidate of Geographical Sciences, Associate Professor of the Department of Ecology and Environmental Protection of the Vinnytsia National Agrarian University (21008, Vinnytsia, Soniachna Str. 3, e-mail: khaytskyy@gmail.com).

Alieksieiev Oleksii Oleksandrovych – Candidate of Agricultural Sciences, Senior Lecturer of the Department of Ecology and Environmental Protection of Vinnytsia National Agrarian University (21008, Vinnytsia, Soniachna Str. 3, e-mail: alekseev_oleksiy@ukr.net).

Hytsol Halyna Vasylivna – Candidate of Agricultural Sciences, Senior Lecturer of the Department of Ecology and Environmental Protection of Vinnytsia National Agrarian University (21008, Vinnytsia, Soniachna Str. 3, e-mail: gucolg@ukr.net).

The composition, structure and the early bloom of forest nectar-polliniferous trees, efficiency of their usage in the nectar-bearing line of bees has been studied.

It was studied that on the investigated areas of forest lands the dominated nectar-bearing trees in the Right-bank Forest-Steppe zone are linden, maple and cherry. The early bloom of woody forest nectar-bearing plants in the five-year calculation varies with a difference from 3 to 6 days, and the duration of flowering from 1 to 4 days. Bee-families that were located at the distance of reaching the territory of forest areas, had a higher development by 2.6% -10.2%; the melliferous capacity by 37.2% and the level of profitability of production - by 40% more in comparison with their counterparts beyond the reach of these honeyed lands.

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