Nutrient value of landfill leachate on the growth of brassica rapa L

Alaribe, F.O. and Agamuthu, P. (2010) Nutrient value of landfill leachate on the growth of brassica rapa L. Malaysian Journal of Science, 29 (2). pp. 119-128. ISSN 13943065

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Abstract

Leachate from Ampar Tenang landfill was characterized and then treated with ferric chloride. Treated leachate was used at different dilution levels as biofertilizer for the cultivation of Brassica rapa L. (leafy vegetable). A treatment with inorganic fertilizer at the same N-equivalent as the leachate, and a control (water) were also included. Physical growth parameters (leaf length, leaf width, stem height) and harvest parameters (total number of leaves, root length and dry weights of different plant parts) were determined. The dry-weights of leaf, root and stem in (both) treatments had significantly higher biomass over the control. B. rapa receiving 25%DTL had the highest specific growth rate for leaf length (0.53 mm/d) and leaf width (0.39 mm/d). Heavy metal accumulations in B. rapa grown with leachate and in B. rapa bought from the market were compared with the permissible concentration limit of FAO/WHO. Inorganic fertilizer did not give a better fertilizing effect in terms of plant yield and growth than the leachate treatments according to this study, but heavy metal accumulation makes the leachate unfit for fertilization of edible plants like Brassica rapa L.

Item Type: Article
Additional Information: Institute of Biological Sciences, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: Brassica rapa L, Heavy metal, Irrigation, Landfill leachate, Specific growth rate
Subjects: Q Science > QH Natural history > QH301 Biology
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Miss Malisa Diana
Date Deposited: 06 Mar 2013 03:20
Last Modified: 06 Mar 2013 03:20
URI: http://eprints.um.edu.my/id/eprint/4982

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