PJB-2011-417
BIOCONVERSION OF DRIFTED SEAWEED BIOMASS INTO ORGANIC COMPOST COLLECTED FROM THE KARACHI COAST
TOOBA HAQ*, FAROOQ AHMED KHAN, RAZIA BEGUM AND ALIA BANO MUNSHI
DOI:
Abstract
Present bioconversion studies were carried out to convert drifted seaweed biomass into bioactive organic compost. Chemical analysis of the collected seaweed biomass from the Karachi coast revealed 60.30 % organic matter. Aerobic composting method i.e., windrow composting technique was applied for the conversion of collected seaweed biomass into organic compost. Employing this technique almost 70% biomass was converted into organic compost. On analysis, the compost obtained by the above method showed 2.3% Nitrogen, 0.86% Phosphate and 1.8% Potassium. Results for the analysis of heavy metals showed Mercury 0.05 mg / kg, Arsenic BDL Cadmium 0.080 mg / kg and Copper 7.1 mg / kg. Results for the biological evaluation of seaweed compost showed 78% germabilty while the Biogold and cow dung showed 83 and 60% germabilty.
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