1.   Coal is formed naturally from Decomposed organic matter.

2.   Dubos started from the assumption that all organic matter added to the soil eventually undergoes Decomposition through the agency of micro-organisms.

3.   In addition to improving soil conditions and nutrients with organic matter, use organic fertilizers such as fish emulsion or liquefied seaweed.

4.   It tells you just about how much organic matter is present.

5.   It will grow quite well in aquarium gravel with very little organic matter.

6.   Make sure the soil in your shade garden is rich in organic matter.

7.   Many layers of Decaying organic matter built up in Pennsylvania during the Cretaceous, and now it is all coal.

8.   Plant cover crops such as cereal rye to add organic matter and disrupt the life cycle of root knot nematodes.

9.   Properly understood and managed, strong clays will structure themselves, and can nourish plants with relatively little organic matter present.