TY  - BOOK
AU  - Colwell, J. D.
ED  - Australia. National Soil Fertility Proyect.
TI  - Objetives and procedures
U1  - 631.41 
PY  - 1977///
CY  - Colwell Adelaide
PB  - Commonwealth Scientific and Industrial Research Organization. Division of soils
KW  - Suelos
KW  - Australia
KW  - Fertilidad
N1  - La biblioteca tiene: v.1
ER  -