What balances the soil?
rivers salinity nutrients heat compost Earthworms roundworms Annelids
A B C D E F G H
Compost balances the pH of soil.
compost balances soil
What balances the soil? (A) rivers (B) salinity (C) nutrients (D) heat (E) compost (F) Earthworms (G) roundworms (H) Annelids