Figure 4: Effect of wheat straw-olive-mill solid waste (W-OMSW), cow manure olive-mill solid waste (C-OMSW) and cow manure-wheat straw-olive-mill solid waste (C-W-OMSW) composts at two time intervals on Plumule and Radicle length of Vicia faba L. Considering the control values 25.46 and 12.1 cm at two months and 13.91 and 10.5 at five months, respectively.