Prots' R. Potatoe yield capacity and its quality depending on quota and types of fertilizers and depth of their sealing under the condition of the west partially - wooded steppe of Ukraine.

Subject: potato yield. Aim: to bring out the possibilities of obtaining high yields of potato with good quality of tubers in potato cultivars of various maturity groups under partial or complete replacement of manure by green manure and to raise effective use of organic fertilizers. Methods: field trials, agrochemical, biochemical and mathematical statistics. Results: it has been established an optimal ratio of mineral to organic fertilizers, their depth of application to form a maximal yield of tubers with better quality indices. It has been determined the influence and the interaction of such factors as manure, green manure, mineral fertilizers, the depth of organic fertilizers application and biological peculiarities of the cultivar for its grows, potato plant development and tuber yield formation. The alternative growing technique for potato has been recommended. Field of introduction: farms of different forms of property.