TY  - BOOK
AU  - Kampreath, Eugene J.
TI  - Chemical aspects and mineral forms of soil phosphorus in tropical regions
PY  - 1974///
CY  - Raleigh
PB  - North Carolina State University. Dep. of Soil Science
KW  - Suelos tropicales
KW  - Suelos
KW  - Análisis
KW  - Fósforo en
ER  -