The effect of fertilizers application on optimization of nutritive conditions of sunflowers

The article deals about of our investigations of effect of fertilizers application studying on productivity formation of sunflowers hybrids in conditions of Chernigiv region. In the end of researches we got next results. The seed yield was got 3.05 t per ha for the variant with fertilizers rate N60Р60К90 for Yason hybrid. The foliar application by complex fertilizers “Rostok oils” on background of mineral fertilizers increased seed yield to 5.7-9.5 % in comparative to background variants of fertilization.