Fresh and dry weight
Fresh and dry weight of shoots: Figures 4a and 4b show the effect
of source of nutrients, flow rates and lengths of gully on the fresh and
dry weights production of lettuce plants at the end of growing period.
The fresh and dry weights of shoots w significantly increased in nutrient
solution over those of effluent fish water. The fresh weights of shoots
were 207.12 and 190.32 g plant-1
for nutrient solution and effluent fish
water, respectively. The dry weights of shoots were 21.34 and 19.74 g