| 
      ** Significative at a level of 5% of probability (p < 0.05)
        | Source    of variation | Degrees    of Freedom (df) | Plant    height (cm) | Fresh    weight (mg) | Dry    weight ( mg) |  
        | Treatment | 9 | 31.34 | 139.66 | 17.16 |  
        | Error | 20 | 1.87 | 16.05 | 1.93 |  
        | Total | 29 | 33.21 | 155.71 | 19.09 |  
        | F-    value |  | 30.17 ** | 19.34 ** | 19.79 ** |  |