The experiment have been carried out during the period 2007-2008 at the region of Kavarna (Bulgaria) in a field production condition. The investigation was made with the Kurtovska Kapia pepper cultivar as a mid-field production planted at the end of May. The following foliar fertilizers was tested: Hortigrow, Grogeen, and Kristalon in several variants.
The productivity as a early and total yield was determined. The highest yield of green (23817 kg/da) and red (43513 kg/da) pepper was oltaind when applying soil fertilizer in rate N24F12K12 in combination with foliar fertitizer Kristalon.