TY  - BOOK
AU  - Potash & Phosphate Institute of Canada,
TI  - Potash its need & use in Modern Agriculture
SN  - 0969360800
U1  - 631.83 
PY  - 1989///
CY  - Canada
PB  - Potash & Phosphate Institute of Canada.
KW  - Techniques, equipment & materials
ER  -