TY  - BOOK
AU  - 
AU  - Landon,J R
TI  - Booker tropical soil manual : a handbook for soil survey and agricultural land evaluation in the tropics and subtropics
SN  - 0582005574
U1  - 631.403 
PY  - 1991///
CY  - England
PB  - Booker tate Ltd
KW  - Techniquesisoil Chemistry
ER  -