How to Grow More Vegetables

Cereal rye roots grow to 6 feet deep.

Composting in nature occurs in at least 3 ways:

1. It occurs in the form of manures, which are plant and
   animal foods composted inside an animal’s body
   (including earthworms) and then further aged outside
   the animal by the heat of fermentation. Earthworms are
   especially good composters. Their castings are 5 times
   richer in nitrogen, 2 times richer in exchangeable
   calcium, 7 times richer in available phosphorus, and 11