Citation | Memon, A.A., I. Rajpar, G.M. Jamro and J.A. Shah. 2024. Effect of potassium sources and soil calcareous levels on sunflower (Helianthus annuus L.) growth at the early stage. Pakistan Journal of Agricultural Research, 37(1): 13-22. DOI | https://dx.doi.org/10.17582/journal.pjar/2024/37.1.13.32