%0 Journal Article %T INFLUENCE OF CHELATED MICROFERTILIZERS APPLICATION ON PRODUCTIVITY OF MIDDLE-MATURING POTATOES %A Gaysin , I.. %A Tikhonova , M.. %A Sharonova, N.. %A Yapparov, A.. %A Ilyasov, M.. %K micronutrient fertilizers, liquid fertilizer-stimulating compounds (ZhUSS), potato, phenological phases, photosynthetic activity of plants, yield, starch content. %J Vestnik of Kazan State Agrarian University %D 2015 %N 10 %P 4 %I Kazan state agrarian University