00302nam 2216887 450000100060000000300230000600500090002900800410003808200120007910000150009126000240010624500520013016887StarLibrary Marc Built20180503201711 ||||| |||||||||||amh  a641.417 aE. A. Paul bU.S.A: C.R.C c1997 aSoil Organic Matter In Temperate Agroco Systems