TY  - BOOK
AU  - Magdoff,Fred
AU  - Van Es,Harold
ED  - Sustainable Agriculture Network.
TI  - Building soils for better crops
T2  - Sustainable Agriculture Network handbook series
SN  - 1888626054
AV  - S592.8 M33 2000
U1  - 631.4/17 21
PY  - 2000///
CY  - Beltsville, MD
PB  - Sustainable Agriculture Network
KW  - Humus
KW  - Soil management
KW  - Manejo de Suelos
N1  - Incluye referencias bibliográficas (p. 221-224) e índice
ER  -