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Par sarah rain dans A universe devours a mind ... le 20 Novembre 2023 à 21:32...calcium is provided by the eggshells the nitrogen by the coffee grounds and potassium by potato peels (that I add to the hot water mixture) I generally do compost, whenever my mother cooks and has leftovers, I collect them all, cut them into small pieces dig a hole in the garden, and put them...