TY  - GEN
AU  - Lal, R
AU  - Greenland, D J
TI  - Soil Physical Properties and Crop Production in the Tropics
SN  - 0471997579
U1  - 631.42 
PY  - 1979///
CY  - Chichester
PB  - John Wiley & Sons
KW  - Soil Fertility
KW  - Soil Physics
ER  -