Abstract
Sustainability is a major issue for policy makers, researchers and extension workers worldwide. Achievement towards sustainable agriculture has not been satisfactory so far. Negative impacts of industrial agriculture are threatening biodiversity and biodiversity role in maintaining functional biosphere. Vermicomposting is a promising solution for the loss of biodiversity due to recycling of natural resources. Though almost all soil processes are regulated by soil microbes, the role of vermicompost in maintaining microbial diversity and soil functions is not fully understood. Here we review the major advances and benefits of vermicomposting. The major points are the following. Extracellular enzyme activity is increased upon application of vermicompost in soil. Initial enhancement of microbial growth is also observed and explained by the initial activation of the microbial enzymes and intracellular enzyme activity. Upon aging of vermicomposting the enzymatic activity decreases. Higher microbial population in vermin-cast is observed versus the surrounding soil. Major changes in bacterial and fungal communities are observed. Improvement in mineralization of nutrients is reported in most studies. Specifically, C and N mineralization is highly changed by the application of vermicompost. Enhancement of crop yields achieved on soil amended with vermicompost is explained by better mineralization of nutrients.
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Saha, S., Dutta, D., Ray, D.P., Karmakar, R. (2012). Vermicompost and Soil Quality. In: Lichtfouse, E. (eds) Farming for Food and Water Security. Sustainable Agriculture Reviews, vol 10. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-4500-1_10
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