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Asian Journal of Plant Sciences
Year: 2006  |  Volume: 5  |  Issue: 6  |  Page No.: 1043 - 1046

Effect of Pruning Height on Shoot Biomass Yield of Leucaena leucocephala

S.U. Tipu, K.L. Hossain, M.O. Islam and M.A. Hossain    

Abstract: An investigation on the effect of pruning height on shoot biomass yield of Leucaena leucocephala was carried out at the Agroforestry Farm, Bangladesh Agricultural University, during February to May 2005. The experiment was laid out in randomized complete block design with three replications. Treatments included four pruning heights; 3-5 (basal cut), 50, 100 and 150 cm above the collar zone. Yield of shoot biomass increased greatly with the increase in pruning heights. Higher pruning heights had a significantly higher number of branches, length of branches and leaves per plant than those of the lower heights. The 150 cm pruning height was found to yield the highest biomass followed by the 100 cm height. The 50 cm and the basal cut were statistically similar with regard to leaf biomass. Therefore, it was concluded that a higher pruning height should be practiced in Leucaena for higher shoot biomass yield.

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