%0 Journal Article %A %D 2014 %J International Journal of Natural Sciences Research %@ 2311-4746 %V 2 %N 1 %P 5-11 %T Productivity and Economics of Sorghum Varieties for Grain As Influenced By Nitrogen Levels in Sandy Loam Soil %M %U http://www.pakinsight.com/archive/63/01-2014/1