Comparative Performance of Wheat on Response to Nitrogenous and Phosphatic Fertilizers Grown on Third Terrace of Northern State, Sudan

Elmoiez M. Fadul, Elrashid A. Fageer, Eltayeb M. Abdelgadir


A field study was carried out in high terrace land which extended in the desert and semi-desert soil to compare the effect of two nitrogen sources (urea and ammonium sulphate) and two phosphorus triple super phosphate (TSP) and diammonium phosphate (DAP) on growth and yield of wheat variety Imam at Dongola Research Farm, Dongola during 2012-2013 and 2013-2014 seasons. Nitrogen and phosphorus fertilizers were applied at the rate of 43 and 86 kg ha-1. The experiment consisted of 17 treatments arranged in a randomized complete block design with three replications. Results revealed that application of nitrogen and phosphorus significantly increased plant height, number of heads/m2, number of seeds/ head, seed index, grain and straw yields compared to control. The results indicated that application of 86 kg ha-1 diammonium phosphate (DAP) as source of phosphate and 129 kg ha-1 ammonium sulphate as source of nitrogen gave slightly higher yield compared to triple super phosphate (TSP) as source of phosphorus and urea as source of nitrogen. However, the rate of 43 P2O5 Kg ha-1 as TSP and 86 Kg ha-1 as urea gave the highest profitability compared with the control.


Triple super phosphate; Urea; Ammonium sulphate

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