China, azolla propagation and small-scale biogas technology
Subtitle: report on an FAO/UNDP study tour to the People's Republic of China, 21 May-11 June 1978.
Contributors: United Nations Development Programme.
Series: FAO soils bulletin ;; 41
Publisher: Food and Agriculture Organization
Published: 1978
Place of publication: Rome
Language: eng
Number of pages: 81
Subjects: Biogas; Azolla pinnata; Azolla as fertilizer -- China; Azolla as feed -- China
Notes: Bibliography: p. 81.