TY  - BOOK
AU  - Thorne, David Wynne,
AU  - Thorne, Marlowe D.
TI  - Soil, water, and crop production
SN  - 0870552813
AV  - S589.7 .S64
U1  - 631.5 
PY  - 1979///
CY  - Westport, Connecticut
PB  - AVI Pub. Co.
KW  - Agricultural ecology
KW  - Agriculture
KW  - Cropping systems
KW  - Agricultural geography
N1  - Includes bibliographies and index
ER  -