and Flamingo respectively .Though,the highest PUE was observed in CocoT with a mean of 0.13±0.02 g shoot DW mg1 P which did not significantly differ from that of 0.12±0.01g DW mg1P in Flamingo. Whereas, the lowest PUE was obtained in control plants for Flamingo with a mean of 0.05±0.01 (Fig. 4c).