The resort has also created a composting system with flush toilets and a self-contained reservoir that uses banana plants to return nutrients to the soil.

That means they are unable to return nutrients to the soil through their decay, which takes about 10 years.

They feed on and break down dead plant matter, returning essential nutrients to the ecosystem.

Many species of worms are decomposers; they break down dead plants and animals to return nutrients to the soil.

Land application of sludge has the potential to return the organic matter and nutrients, most of which came from the soil, back to the soil.

He planted cover crops of clover and alfalfa and then plowed them under to return nutrients to the soil.

Yellow dung flies are a key part of decomposing waste in pastures which is key to preventing the spread of endoparasites and returning nutrients to the soil.

Composting: Composting is a way to return nutrients back into the environment by allowing microorganisms to turn the waste into manure.

This is also the time when the oldest leaves senesce and die, returning nutrients to the plant at the time when they are needed most.

Composting allows the plants to transform and enrich the soil with organic matter, and also to return nutrients to the soil.