TY  - BOOK
AU  - Thorne,D.Wynne
AU  - Thorne,Marlowe D
TI  - Soil, water, and crop production
SN  - 0870552813
PY  - 1979///
CY  - Westport, Conn.
PB  - Avi Pub. Co.
KW  - Agricultural ecology
KW  - Agriculture
KW  - Cropping systems
KW  - Agricultural geography
N1  - Includes bibliographies and indexes
ER  -