TY  - GEN
AU  - Green land, D J
AU  - Lal, R
TI  - Soil physical properties and crop production in the tropic
SN  - 0 471 99747 9
U1  - 631.42 LAL 
CY  - Chichester, John Wiley & Sons INC
KW  - Soil tropics/ Soil fertility/ Soil physics
ER  -