Citation | Ali, S, S. Shah, M. Amin, A.A. Khan, D. Ahmad, I. Ullah, F. Ahmad, S. Khan and S. Azam. 2022. Efficacy of soil applied phosphorus and foliar zinc application on different growth stages to improve productivity of maize (Zea mays). Sarhad Journal of Agriculture, 38(3): 912-917. DOI | https://dx.doi.org/10.17582/journal.sja/2022/38.3.912.917