Waraich, Ejaz Ahmad, et al. “Improving Agricultural Water Use Efficiency by Nutrient Management in Crop Plants”. Acta Agriculturae Scandinavica, Section B — Soil &Amp; Plant Science, vol. 61, no. 4, 2011, pp. 291-04, https://doi.org/10.1080/09064710.2010.491954.
Waraich, E. A., Ahmad, R., Ashraf, M. Y., & Ahmad, M. (2011). Improving agricultural water use efficiency by nutrient management in crop plants. Acta Agriculturae Scandinavica, Section B — Soil &Amp; Plant Science, 61(4), 291-304. https://doi.org/10.1080/09064710.2010.491954
Waraich EA, Ahmad R, Ashraf MY, Ahmad M. Improving agricultural water use efficiency by nutrient management in crop plants. Acta Agriculturae Scandinavica, Section B — Soil & Plant Science. 2011;61(4):291-304.