Fruit growing
and viticulture of South Russia
Mineral nutrition of plants
he achievements of scientists in the field of plant mineral nutrition for long period, as well as the problems are not solved at present, and perspective for their solution in horticulture Russia are presented.
The experimental data of 2011-2012 on influence of chelate foliar fertilization on fructification, quality and pear fruits preserving of Belorusskaya pozdnyaya on a dwarf quince S1 rootstock are presented. Chelate foliar fertilization has made the positive influence on productivity, marketable quality and preserving of pear.
The content of cobalt in the soils of Tersk sands is studied and its influence at mineral nutrition of Kristall grapes is established. Water solution of cobalt at concentrations 1 kg/ga of active beginning together with fertilizers N90, P90, K90 recommended to apply in sands on depth 30 cm to increase productivity, accelerate the recovery root and above-ground systems of plants damaged by frost and the strengthening of development of fruit-bearing shoots.
The results of evaluation of response of apple varieties to additional mineral nutrition are considered in the article.
Data on efficiency of application of foliar fertilizing of potassium and silicon helats in the technologies of grapes cultivation are advanced. The increasing of the average weight of grapes and sugar content are observed. The activating effect on the stability of grapes to grey rot is revealed.