TY  - BOOK
ED  - North Carolina State University. Raleigh, N.C.
TI  - The fertilizer requirements of countries in Latin America ; annual report..
U1  - 631.45 
PY  - 1966///
CY  - Raleigh, N. C.
PB  - The university
KW  - Fertilizantes
KW  - Experimentación
KW  - Suelos
KW  - América Latina
KW  - Análisis
ER  -