TY  - BOOK
ED  - North Carolina State University. Raleigh, N.C.
TI  - The evaluation and improvement of soil fertility in Latin America; annual report
U1  - 631.45 
PY  - 1970///
CY  - Raleigh, N.C.
PB  - The University
KW  - Fertilizantes
KW  - Suelos
KW  - América Latina
KW  - Análisis
KW  - Fertilidad
N1  - La biblioteca tiene : 1970, 1971
ER  -