What increases the amount of organic matter in soil?
raining shedding mussels raking herbicide fossil fuels green manures composting
A B C D E F G H
Composting is simply the natural decomposition of organic matter.
Composting increases the amount of organic matter in soil.
What increases the amount of organic matter in soil? (A) raining (B) shedding (C) mussels (D) raking (E) herbicide (F) fossil fuels (G) green manures (H) composting