Agriculture and forestry

Tkachuk Оleksandr Petrovich − doctor of agricultural sciences, professor, head of the department of ecology and environmental protection of Vinnytsia National Agrarian University (Str. Sunny, 3, Vinnitsa city, 21008. tel. 0679546095. e-mail: tkachukop@ukr.net).

Viter Nadiya Hryhorivna − graduate student of the Department of Ecology and Environmental Protection of Vinnytsia National Agrarian University (Str. Sunny, 3, Vinnytsia city, 21008. tel. 0961089281. e-mail: katrin.viter@gmail.com).

In the presence of highly effective field protection forest strips, the yield of agricultural crops in the fields adjacent to them increases by approximately 13% due to the optimization of the parameters of the microclimate, water and nutrient regimes of the soil. Given the conditions of global warming, almost every agricultural year is extreme, so the potential of field protection forest strips can increase significantly. But to date, there have been practically no studies on clarifying the limits of the influence of field protection forest strips on the yield of agricultural crops under global warming. Therefore, the tasks set by us are relevant. The purpose of the research is to clarify the actual impact of the main and auxiliary field protection forest strips on increasing the yield of winter wheat and the zone of perpendicular distribution of the effective impact under conditions of global warming. Observations were made of the Bohemia winter wheat crops at a distance of 1, 10, 100, 200, 300, 400, 500 m perpendicular to the main and auxiliary field protection forest strips. Our research has established that both main and auxiliary field protection forest strips increase the productivity of winter wheat crops in conditions of global warming. The main blowing field protection forest strips increase the productivity of winter wheat up to a distance of 400 m from the forest strip, with an increase in its productivity up to 23%. The highest yield of winter wheat is observed at a distance of 200 m from the forest strip. At a distance of up to 10 m from the forest strip, grain yield is lower by 38-66% compared to a distance of 200 m. The average yield of winter wheat near the blowing auxiliary forest strip at a distance of 0-500 m from it is 2.0% lower than from the main forest strip. Its positive effect extends to a distance of up to 300 m, with the highest productivity of crops at a distance of 100 m. The increase in the productivity of winter wheat crops due to the influence of the auxiliary forest strip is 17%, and there is no sharp decrease in productivity near the forest strip at a distance of up to 10 m.

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