TY  - BOOK
AU  - Frissel, M.J
TI  - Cycling of mineral nutrients in agricultural ecosystems
T2  - Developments in agricultural and managed-forest ecology
SN  - 0444416609
U1  - 631.8 
PY  - 1978///
CY  - Amsterdam
PB  - Elsevier
KW  - Fertilizers
ER  -