Borysenko V. Agroecological state of lands of Ukrainian Polissya, that are withdrawn from agricultural use

Object of research - agro-ecological state of Polesie of Zhytomyr region withdrawn from agricultural use The purpose is a comprehensive study of the agro-ecological state of the lands that have come out of practical agricultural use in the Polissya of Zhytomyr region, and the development of measures to optimize their use in the conditions of intensive anthropogenic loading. Agrienvironmental studies of the land of arable land have been carried out, the agrochemical and water-physical condition of the soils of these lands was established. Variety of land cover derived from agricultural land has been identified and described the use of the Polesie of Zhytomyr region and the levels of their turbulence have been determined. Vegetable cover of land withdrawn from agricultural use, includes weed groups of 23 species from 21 genera, 13 families. It is established that after the Chernobyl accident in Zhytomyr region, radiological factor and economic impracticality removed from economic circulation 71.9 thousand hectares of land. As of the beginning of 2016, their total area has decreased by 2.4 times and equals 29722.2 ha, including radioactively contaminated ones - 1.6 times up to 18691.5 ha. These lands located mainly in the northern regions of the region in the Polesie region of Ukraine. Considerable the area of arable land will remain in the area of radioactive contamination. The effectiveness of various agrotechnical and chemical methods of destruction has been established weeds in the coenoses of agricultural landscapes of agricultural land use in the Polesie of Zhytomyr region in the Iskra JV (PA) and Olevsk Agro LLC in the Olevsky district.. Keywords: agricultural lands, soils, radioactive contamination, 137Cs, vegetation, weeds, soil cultivation methods, herbicides