Effect of spacing and fertilizers on the commercial varieties tobacco performance in Shaki-Zagatala economic region (Azerbaijan)

The article is devoted to the study of the effect of optimal planting density and fertilizer rates on the productivity of Nicotiana tabacum and the yield of commercial species in the Sheki-Zagatala region under irrigation. So, the option that gives 45 kg of nitrogen against the background of 60 kg of potassium and 60 kg of phosphorus per hectare turned out to be feasible. The variant with a feeding area of 70×15 cm for Trapezond variety turned out to be rational, where it amounted to 36.4 cwt/ha, Samsun variety - 27.0 cwt/ha. 30.5 cwt/ha were obtained from the Dubek variety.