TY  - BOOK
AU  - Gustafson,A.F.
TI  - Using and managing soils
U1  - 631.4 22
PY  - 1948///
CY  - New York
PB  - McGraw-Hill Book Co.
KW  - Soils
KW  - Fertilizers
KW  - Soil science
N1  - Include bibliographical references and index
ER  -