Rozhniatovskyi A. Formation of potato productivity in the conditions depending on the elements of cultivation technology of Polissia

The object of research is the processes of growth, development and formation of potato seed tubers for growing on sod-podzolic sandy soils of Polissya of Ukraine. The purpose is to establish and scientifically substantiate the peculiarities of the processes of yield formation and quality of potato tubers depending on the peculiarities of the variety, feeding area and the area of mechanical load on the soil. Methods - visual, field, measuring and weighing, morphophysiological, mathematical and statistical, computational and comparative.As a result of research conducted during 2011-2013 in the Polissya region of Ukraine for growing potatoes on sod-podzolic soils, the influence of technology elements was determined, namely varieties, row spacing (plant feeding area), area of mechanical load on the soil on productivity formation. The effect of the studied factors on soil compaction, ridge parameters, mechanical damage of plants, roots and tubers, feeding area and leaf surface, yield level and yield of tubers of seed fraction was established and substantiated. An economic and energy assessment of the elements of potato growing technology is given. Scientific developments were implemented during 2013-2014 in farms of Kyiv region on an area of 7 hectares. Field of use - agricultural production.