Table 3:Van Helmont's willow tree experiment (1648) 1.Weight of dry soil 200b(91kg) 2.Initial weight of the 5b(2.3kg tree.(fresh weight) 3.Final weight of the 169b(76.8kg) tree.(fresh weight) 4.Weight gain of the 164Ib(74.5kg) tree.(fresh weight) 5.Weight gain of the tree 16b(7.45kg) (dry weight) 6.Weight loss of the soil (dry 2oz(57g) weight) 7.Percent loss from soil (dry 0.06% weilatbt Table 3: Van Helmont's willow tree experiment (1648) 1. Weight of dry soil 200 lb (91kg) 2. Initial weight of the tree.(fresh weight) 5 lb (2.3kg) 3. Final weight of the tree.(fresh weight) 169 lb (76.8kg) 4. Weight gain of the tree.(fresh weight) 164 lb (74.5kg) 5. Weight gain of the tree (dry weight) 16 lb (7.45kg) 6. Weight loss of the soil (dry weight) 2 oz (57g) 7. Percent loss from soil (dry weight) 0.06%