TY  - BOOK
AU  - Lal, R,
TI  - Soil Physical Properties and Crop Production in the Tropics
SN  - 0471997579
U1  - 631.42 
PY  - 1979///
CY  - New York
PB  - John Wiley & Sons
KW  - Crop Production
KW  - Soil Physical Properties
ER  -