Citation | Hammad, H., M.A. Tahir, N.U. Sabah, G. Sarwar, M. Aftab, M.Z. Manzoor, A. Riaz, A. Niaz and M. Arif. 2021. Phosphorus utilization efficiency by sunflower (Helianthus annuus L.) from sparingly soluble P source under P deficient environment. Pakistan Journal of Agricultural Research, 34(2): 294-299.
DOI | http://dx.doi.org/10.17582/journal.pjar/2021/34.2.294.299