Citation | Pirzada, P., W.A. Chandio, M.A. Kalhoro, M.M.A. Talpur, W.A. Mirbahar, A.G. Solangi, Z.A. Jumani and R. Kerio. 2022. Synthesis and characterization of humic acid hybrid zinc oxide nanoparticles: Applications on Brassica campestris germination. Sarhad Journal of Agriculture, 38(1): 221-228. DOI | https://dx.doi.org/10.17582/journal.sja/2022/38.1.221.228