PJB-2007-238
ASSOCIATION OF FUNGI, BACTERIA AND ACTINOMYCETES WITH DIFFERENT COMPOSTS
RABIA ASHRAF, FAIZA SHAHID AND TASNEEM ADAM ALI
Abstract
In the present study the agricultural and kitchen wastes viz., potato peels, sugar cane waste, tree bark, used microbiological media, news paper, saw dust, fruit peels, grass, leaves, guar, used tea, spinach twigs, wood chips, fruit and vegetable wastes were used alone and in combinations as compost feed-stocks. Microorganisms isolated and characterized from the above composts include the species of fungi viz., Aspergillus, Trichoderma, Mucor, Penicillium, Alternaria, Cladosporium, Monilia, Helminthosporium, Coccidioides, Scedosporium, actinomycete viz., Nocardia and bacteria viz., Bacillus, Lactobacilli, Micrococcus, Pseudomonas, Clostridium. Of these isolates, members of the genus Aspergillus were most prevalent (38%) followed by Bacillus comprising of 20% of the total microbial isolates. The study supports the idea that composting can be useful to treat wide range of organic materials such as yard trimmings, kitchen wastes and food processing discards. In addition, the knowledge regarding species composition of the microorganisms of different composts can help to optimize compost quality standards.
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