TY  - BOOK
ED  - USA, U. S. Agency for International Development
TI  - Tropical soils research program: Annual report for 1975
PY  - 1976///
CY  - North Carolina, USA
PB  - North Carolina State University
KW  - Agriculture
KW  - Tropics
KW  - Periodicals
KW  - Latin America
KW  - Soils
ER  -