TY  - BOOK
AU  - Sanchez,Pedro A.
TI  - Properties and management of soils in the tropics
SN  - 0471752002 :
U1  -  631.4913 
PY  - 1976///
CY  - New York
PB  - Wiley
KW  - Soils
KW  - Tropics
KW  - Plant-soil relationships
KW  - Soil science
KW  - Agriculture
N1  - "A Wiley-Interscience publication."; Includes bibliographical references and index
ER  -