TY  - BOOK
TI  - Proceedings
U1  - 631.811.3(100)(061.3)  M0 
PY  - 1980///
CY  - Berne, Switzerland
PB  - International Potash Institute
KW  - Potassium Workshop. Ibadan, Nigeria, International Institute of Tropical Agriculture, Oct.1980.
KW  - Fertilizers,Conferences
ER  -