Citation | Khan, I.U., N.U. Amin, S.H.A. Shah, M. Khan, S. Ahmad and S.A.A. Shah. 2020. Response of zinnia cultivars to different levels of humic acid. Sarhad Journal of Agriculture, 37(2): 706-713.
DOI | https://dx.doi.org/10.17582/journal.sja/2021/37.2.706.713