TY  - BOOK
AU  - Colwell, J. D.
TI  - A comparison of designs of field experiments for the National Soil Fertility Project
T2  - Technical paper
PY  - 1971///
CY  - Melbourne
PB  - Commonwealth Scientific and Industrial Research Organization. Division of Soils
KW  - Diseños experimentales
KW  - Suelos
KW  - Fertilidad
ER  -