[1] A. A. El-Ashmouny, K. A. El-Naqma, and A. A. El-Hendawy, “Effect of pre-sowing Application of Nitrogen, Potassium and Sulfur and its relationship on Egyptian Cotton Productivity,” IJEAB, vol. 2, no. 5, pp. 2387–2393, 2017, doi: 10.22161/ijeab/2.5.15.