The article was dedicated to the potency of fertilizer norms to the sugar yield in root fruit of sugar beet in base of manure in irrigated grey-brown soil in west region of the Azerbaijan Republic. It is stated that in base of manure the utility of fertilizer norms raises the product of the root fruit of sugar beet, the quantity of sugar in root fruit, and at least it is significantly influenced to the sugar yield. The highest root fruit product, sugariness and sugar yield were observed in 10t/ha+N90P120K90 manure variation.