256 pages, tables
A study based on field survey data and on pertinent records, material, and reports
Detalles de publicación
- Publicado: 1963
- Editor: Amer Institute of Crop Ecology
- Dewey Decimal: 630.959
- Librería ECHO: 630.959 NUT
256 pages, tables
A study based on field survey data and on pertinent records, material, and reports