Effect of Nitrogen and Phosphorus on Yield and Yield Components of Sesame (Sesamumindicum L.)

Nitrogen is a structural component of chlorophyll and protein therefore adequate supply of nitrogen is beneficial for both carbohydrates and protein metabolism as it promotes cell division and cell enlargement, resulting in more leaf area and thus ensuring good seed and dry matter yield. Theexperiment entitled effect of nitrogen and phosphorus on yield and yield components of sesame were conducted at New Developmental Farm of the University of Agriculture Peshawar during kharif 2013. Randomized complete block design (RCBD) having four replications were used. Nitrogen and phosphorus levels (0, 30, 60, 90 kg ha-1) each were applied in the form of P2O5 from DAP and urea respectively. The whole of phosphorus was applied during seed bed preparation and nitrogen in two splits, half at sowing and half after 80% emergence. The seed rate 4 kg ha-1 of sesame (Local black) was planted on 28th June 2013. Total of 3 irrigations were applied, and other cultural practices were kept uniform for all the treatments. Highest number of pods plant-1 (67), number of seeds pods-1 (54), grain yield (520 kg)