Changes in microbial properties and nutrient dynamics in bagasse and coir during vermicomposting: Quantification of fungal biomass through ergosterol estimation in vermicompost |
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| Authors: | P Pramanik |
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| Institution: | 1. College of Forestry, Beijing Forestry University, Beijing 100083, PR China;2. Department of Renewable Resources, University of Alberta, Edmonton, AB, Canada T6G 2E3;1. Soil Ecology Lab, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China;2. Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Nanjing 210014, China;3. Suzhou Kanglv Agricultural Development Co., Ltd., Suzhou 215155, China;4. SRUC, Crop and Soil Systems Research Group, West Mains Road, Edinburgh EH9 3JG, United Kingdom;1. Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan;2. River Basin Research Center, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan;3. School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China;1. Soil and Fertilizer Research Institute, Dong Ngac, Tu Liem, Ha Noi, Viet Nam;2. IRD – BIOEMCO, UMR 211, Bondy, France;3. CNRS – ECOBIO, UMR 6553, Rennes I Université, Rennes Cedex, France;4. UPMC – BIOEMCO, UMR 7618, ENS, Paris, France;5. Vietnamese Academy of Agricultural Science (VAAS), Ha Noi, Viet Nam |
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| Abstract: | In this experiment, different microorganisms viz., Trichoderma viridae, Aspergillus niger and Bacillus megaterium were inoculated in bagasse and coir with the objective to study their effect on nutrient dynamics and microbial properties, specially effect on fungal status in these waste materials. Fungal biomass (FBC) was calculated from the ergosterol content in the vermicompost samples. Inoculation of B. megaterium registered comparatively higher TP content in the final stabilized product. Vermicomposting increased microbial biomass carbon (MBC) and nitrogen (MBN) content in bagasse and coir. Microbial biomass carbon to nitrogen ratio (MBC/ MBN) was comparatively narrower in fungi inoculated vermicomposts and FBC/MBC ratio was increased up to 11.69 from 9.51 of control during vermicomposting. |
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