In the midst of the discussion of organic and sustainable the issue of
soil organic matter was raised. The subject of soil organic matter
and soil building and how central it is to sustainable agriculture is
dealt with in my book-
"Building soils for better crops: organic matter management"
Available from the University of Nebraska Press ( 800-755-1105).
Fred Magdoff
tel:802-656-0472
fax:802-656-4656