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kiyo_gw

Science Fair on vermicomposting

kiyo
15 years ago

Right now, I'm really curious about vermicomposting and I'm going to do it for my science fair. I've set 6 subgoals. I'm going to compare soil texture, porosity and N-K-P before and after vermicomposting. I'm also going to compare the population, the weigh, compare nutrients between an inorganic fertilizer, observe how worms eat, and labeling all the food I gave to the worms. However, I don't know what I should do for my main goal. I have to vermicompost it for 3 months so it would be the beginning of November by then. So it's going to start to get a little bit chilly outside. Therefore I don't think I could grow anything with the soil. Thus I thought I should make several kinds of vermicompost with different kinds of worms like Eudrilus eugeniae, and Lumbricus rubellus. I already have Eisenia fetida but I can't find the other composting worms. Do you know any website that sells worms, or do you have any other main goal you can think off other than comparing worms?

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