Proper composting allows for:
living soil to be built up to 60 times faster than in nature1
food to be grown with less water
food to be grown with less purchased fertilizer
more food to be grown in the same area
soil health to be improved each year that food is grown
Footnotes:
1) Biointensive Sustainable Mini-Farming, Journal of Sustainable Agriculture, Vol. 19(2) 2001.