Manzij V. The productivity of an apple-tree depending on the levels of fertilising in the Rigth-Bank Forest Steppe Zone of Ukraine.

The objects of investigations: the intensive plantings of the apple - tree Idared, Mantuaner and Mutsu on the rootstock MM 106.The aim of investigation: the improvement of fertilizing of the apple-tree plantings of winter ripering on a medium vegetative reproducted rootstock during their cultivation in gardening rotation on the basis of the optimization of nutritions regime of the soil.Methods: field, laboratory and statistic.Theoretical and practical results: the changes of the contents of nutritions in the soil and in the tree's leaves are determined, the sort's peculiarities of growth of the overground part of trees are studied, the productivity of plantings of an apple - tree is located, the economic efficiency of the developed agronomic actions is defined.The novelty of innovation: for the first time the peculiarities of the reaction of winter sorts of the apple-tree Idared, Mantuaner and Mutsu on the rootstock MM 106 on the fertilizers during their growing in garden rotation on the black-grey pod zolic soil in the Right-Bank Forest Steppe Zone of Ukraine were determined.Extend of the introduction: the data of the studies are introduced on the farms Cherkasy and Vinnitsa regions.The efficiency: it improves the productivity of intensive plantings of an apple-tree.The sphere, the branch of using: commercial gardening.