The long term fertilizer experiment which was initiated in 1999, was monitored during kharif 2013 to study the effect of different nutrient management practices under sorghum-sunflower cropping system

in an Alfisol to study the sorghum yields and nutrient uptake by sorghum. Integrated nutrient management practice by applying optimum NPK fertilizers along with FYM (NPK+FYM) or crop residues (NPK+CR) increased the sorghum grain yield significantly over application of only fertilizers (100% NPK). The sorghum yield significantly increased with increasing levels of NPK only up to 100% NPK. Super optima dose of fertilizers (150% NPK) did not increase the yield. Continuous application of only nitrogen resulted in reduced yields due to the imbalanced use of fertilizers. Additional application of phosphorus significantly increased the yield while there was no significant yield increase with application of potassium, sulphur, boron or zinc. Application of phosphorus, potassium and zinc significantly increased their uptake by the crop but application of nitrogen or sulphur did not increase their uptake.