@article{El-Ashmouny_El-Naqma_El-Hendawy_2017, title={Effect of pre-sowing Application of Nitrogen, Potassium and Sulfur and its relationship on Egyptian Cotton Productivity}, volume={2}, url={http://dx.doi.org/10.22161/ijeab/2.5.15}, DOI={10.22161/ijeab/2.5.15}, number={5}, journal={International Journal of Environment, Agriculture and Biotechnology}, publisher={AI Publications}, author={El-Ashmouny, Amany A. and El-Naqma, Kholoud A. and El-Hendawy, Azza A.}, year={2017}, pages={2387–2393} }