TY  - BOOK
AU  - E.M.A Smaling
AU  -  O. Oenema  L.O. Fresco
TI  - Nutrient Disequilibria in Agroecosystems Concepts and Case Studies
SN  - 0-85199-268-4
U1  - 581.53 
PY  - 1999///
CY  - Wallingford
PB  - CABI Publishing
N1  - E.M.A Smaling; O. Oenema & L.O. Fresco: Nutrient Disequilibria in Agroecosystems Concepts and Case Studies.  Wallingford.  CABI Publishing, 1999. 0-85199-268-4--(581.53SMA)
ER  -