The Effects of Varying Coffee Ground Amounts on earthworm Eisenia fetida Biomass in Vermicomposting
نویسندگان
چکیده
The process of vermicomposting with Eisenia fetida has been regarded as a viable solution to the frequent disposal and waste of used coffee grounds. The effects of coffee grounds on earthworms have yet to be fully understood. In a manipulative experiment with varying ratios of coffee grounds and earthworms, we investigate how the amount of coffee grounds affect total earthworm biomass and also how E. fetida affects the initial nitrogen content of each ratio treatment. It was found that there are no significant relationships between E. fetida biomass and soil/coffee ground mixture pH levels and between E. fetida biomass and the percentage of soil/coffee ground mixture nitrogen. Vermicomposting with coffee grounds continues to stand as a valuable waste reducing process that requires furthering studying to provide conclusive results regarding the optimal quantities of coffee grounds for greater earthworm biomass and the relationships among soil pH, nitrogen content and earthworm biomass.
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