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Journal of Applied Sciences
Year: 2004  |  Volume: 4  |  Issue: 3  |  Page No.: 477 - 485

Effect of Inorganic Fertilizers on the Initial Growth Performance of Anthocephalus chinensis (Lam.) Rich. Ex. Walp. Seedlings in the Nursery

A.T.M. Rafiqul Hoque, M.K. Hossain, M. Mohiuddin and M.M. Hoque    

Abstract: The study describes the effect of 2 (two) commonly used inorganic fertilizers (Urea and TSP) on Anthocephalus chinensis (Lam.) Rich ex. walp. seedlings in the nursery of the Institute of Forestry and Environmental Sciences, University of Chittagong, Bangladesh with a view to standardize an optimum dose of inorganic fertilizers for raising quality seedlings. There were combinations of 16 treatments including a control one (NoPo). Seedlings were supplied 0, 75,175, 300 kg ha -1 of N and P of each in solution form in all possible combinations. Seedlings were evaluated for 13 weeks (90 days) in the nursery. Seedling mortality along with different growth parameters was measured. Different growth variables were also calculated. Seedling growth was in general markedly better for fertilized one in comparison to the control one. Nitrogen addition was found significantly promoting the collar dia. increment and total dry matter production of seedlings. Seedling mortality was observed as the nitrogen dose increases. Significant variation was not observed for different growth variables due to nitrogen doses. However, there was no significant variation in any parameters for different levels of phosphorus applied. The study suggests that application of 175 kg N ha -1 may be beneficial and also addition of 175 kg P ha -1 may boost the diameter, total dry matter production and leaf area of Anthocephalus chinensis on this type of soil (forest top soil collected from Chittagong University Campus).

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