| Sample1 | 
        sterilized soil + Amaranthus    seedling | 
      
      
        | Sample 2- | 
        unsterilized soil + Amaranthus    seedling | 
      
      
        | Sample 3- | 
        sterilized soil + mycorrhiza    +crude oil + Amaranthus seedling | 
      
      
        | Sample 4- | 
        unsterilized soil + mycorrhiza    +crude oil + Amaranthus seedling | 
      
      
        | Sample 5- | 
        sterilized soil + mycelium of P.    pulmonarius + SMC + crude oil + Amaranthus  seedling   | 
      
      
        | Sample 6-  | 
        unsterilized soil + mycelium of P. pulmonarius + SMC + crude oil + Amaranthus seedling | 
      
      
        | Sample 7- | 
        sterilized soil + mycelium of P.    pulmonarius  +  crude oil + Amaranthus seedling | 
      
      
        | Sample 8-  | 
        unsterilized soil + mycelium of P. pulmonarius  +  crude oil + Amaranthus seedling | 
      
      
        | Sample 9- | 
        unsterilized soil + crude oil    +Amaranthus seedling |