%0 Journal Article %T Application times and concentration of humic acid impact on aboveground biomass and oil production of hyssop (Hyssopus officinalis) %A Khazaei, Hamid Reza %A Eyshi Rezaei, Ehsan %A Bannayan Aval, Mohammad %J Journal of Medicinal Plants Research %@ 1996-0875 %D 2011