TY  - GEN
AU  - 
AU  - Lal, R., ed.
AU  - Greenland, D.J., ed.
TI  - Soil physical properties and crop production in the tropics
PY  - 1979///
CY  - Chichester
PB  - John Wiley
KW  - Soil Physics
KW  - Soil Physical Properties
KW  - Crop Production
ER  -