Citation | Fiyyaz, M., G. Sarwar, N.U. Sabah, M.A. Tahir, M. Aftab, M.Z. Manzoor, S. Muhammad, M. Latif, A. Zafar, I. Shehzad, S. Hussain, A. Riaz and A. Niaz. 2021. Efficiency of poultry manure for improving nutrient composition of maize plants under calcareous soil environment. Pakistan Journal of Agricultural Research, 34(3): 473-478. DOI | https://dx.doi.org/10.17582/journal.pjar/2021/34.3.473.478