TY  - BOOK
AU  - Holt, J. A.
TI  - Extraction of macro organic matter from soil
T2  - Divisional report
PY  - 1980///
CY  - (s.l.)
PB  - CSIRO. Division of Soils
KW  - Suelos
KW  - Análisis
KW  - Materia orgánica
ER  -