That soil is rich in humus.
Fertile soil is indispensable for a good harvest.
Rich soil yields good crops.
Agriculture is defined as the cultivation of soil for growing crops.
Plants are nourished by earth.
Plants take in water from the soil.
In order to get the soil ready for planting you must plow it.
Worms are sometimes beneficial to soil.
The soil retained richness.
Nothing seems to grow in this soil.
You can't get a tree to grow on bad soil.
Source: The Tanaka Corpus – A warning to users.