TY  - GEN
AU  - Magdoff, Fred
AU  - Weil, Ray R
TI  - Soil Organic Matter in Sustainable Agriculture
SN  - 0-8493-1294-9
U1  - 631.417 MAG 
CY  - Florida, CRC Press
KW  - Soil Quality, Organic Soil, Humic Substances, Soilborne Diseass, Food webs, Residue Management, Soil Microbiology, Earth worms
ER  -