snail enriches the soil by its waste(poo)
earthworms
farmers
yes
Humus can do such a thing like that
their bodies decompose and enrich the soil so that plants can grow
the rivers flood and that means the soil is open to farm and grow crops.
The farmland was replowed to enrich the soil.
fertilizer
Yes it can, a decaying body is essentially fertilizer and nourishment for the soil.
This statement can be interpreted variously. It probably means that some people make contributions that enrich our lives, and other people only enrich the ground they are buried in.
root nodules
jabalaba