This FAO report is from a study tour of 15 communes in the Peoples' Republic of China in 1978 to specifically see Azolla production and biogas production.
81 pages, illustrated, photos
FAW Soils Bulletin 41
Detail Penerbitan
- Terbit: 1979
- Penerbit: Food and Agriculture Organization of the United Nations
- ISBN-10: 9251007217
- ISBN-13: 978-9251007211
- Dewey Decimal: 665.776
- Perpustakaan ECHO: 665.776 FAO