TY  - BOOK
AU  - Gustafson,A.F.
TI  - Handbook of fertilizers: their sources, make-up, effects, and use,
AV  - S633 .G87 1944
U1  - 631.8 
PY  - 1944///
CY  - New York
PB  - Orange Judd publishing company, inc.
KW  - Fertilizers
N1  - "Revised March, 1932; revised and reset January, 1939; revised January, 1944."
ER  -