TY  - BOOK
AU  - Sopher,Charles D.
AU  - Baird,Jack Vernon
TI  - Soils and soil management
SN  - 0835970310
U1  - Cir. 631.4 So67 
PY  - 1982///
CY  - Reston, Va.
PB  - Reston Pub. Co.
KW  - Soil science
KW  - Soil management
N1  - Includes bibliographies and index
ER  -