Citation | Almashhadani, B.M.K., M.Q. Hamid, N. Al-Silmawy and D.F. Hassan. 2026. Combined effect of nano-silica and plant growth-promoting rhizobacteria (PGPR) on the physical and mechanical properties of soil. Pakistan Journal of Agricultural Research, 39(1): 119-126. DOI | https://dx.doi.org/10.17582/journal.pjar/2026/39.1.119.126