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| Autor Principal: | |
|---|---|
| Formato: | Libro |
| Idioma: | English |
| Publicado: |
Khon Kaen, Thailand
Northeast Rainfed Agricultural Development (NERAD) Project, Northeast Regional Office of Agriculture
[1988]
|
| Series: | NERADICS user oriented handbook series
no. H1 |
| Subjects: |