Ịkpakọ ahịhịa ụwa bụ ụzọ dị mkpa nke na-adịghị emerụ ahụ, mbelata, na imegharị ihe mkpofu ugbo.Earthworms nwere ike na-eri nri na ihe mkpofu siri ike nke organic dị ka ahịhịa, nri anụ ụlọ, sludge obodo, wdg, nke na-enweghị ike idozi nsogbu nke mmetọ gburugburu ebe obibi nke ọma, kamakwa gbanwee ihe mkpofu ...
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