The effective methods of fertilizers application on female lines of sunflower in leached chernozem of the Western Ciscaucasia

The results of research of 2010-2012 on the development of adaptive technology of production of female lines of sunflower hybrids in the area of the Krasnodar region in leached chernozem of the Western Ciscaucasia showed that the combination of application during sowing of N 30P 30 with aquarin 5 foliar application at the stage of formation of 2-4 pair of leaves in plants increased the productivity of seeds of female line of sunflower hybrids (VK 678 A, VK 680 A, VA 93 A) by 0.17-0.22 t/ha; application during sowing of N 30P 30 increased the productivity by 0.13-0.18 t/ha, and the application of only foliar nutrition of plants increased the productivity just by 0.04-0.06 t/ha.