"Effect of Nitrogen and Potassium Fertilization on Vegetative Growth, Yield and Sugar Content of Two Sweet Sorghum (Sorghum Bicolor L. Moench) Genotypes". University of Khartoum Journal of Agricultural Sciences, م 29, عدد 2, سبتمبر، 2021, https://doi.org/10.53332/uofkjas.v29i2.165.