TY  - BOOK
AU  - Gustafson,A.F.
TI  - Soils and soil management
T2  - McGraw-Hill publications in the agricultural sciences
U1  - 631.4 23
PY  - 1941///
CY  - New York, London
PB  - McGraw-Hill Book Company, inc.
KW  - Soils
KW  - Fertilizers
N1  - Bibliographical foot-notes
ER  -