On soddy  podzolic medium  loamy soil of the Vologda region using

fertilizers in N20P20 dose while planting caused a reliable increase in potato yield of 5.4

t/hectare in comparison with control.The potato yield received when precisely calculated

doses of fertilizers were applied increased by 10.7-15.9 t/hectare (76-114%). Mineral

fertilizer system with the maximum dose of potash fertilizers and organic mineral system

differed insignificantly in their impact on the yield of tubers.Applying fertilizers both in