TY  - BOOK
AU  - 
AU  - Thorne,D.W.,ed
AU  - Thorne,Marlowe D.,ed
TI  - Soil, water and crop production
SN  - 0870552813
AV  - S589.7 .S64
PY  - 1979///
CY  - Westport, Conn.
PB  - AVI Pub. Co.
KW  - Cropping systems
KW  - Agricultural ecology
KW  - Agricultural geography
ER  -