TY  - BOOK
ED  - Food and Agriculture Organization of the United Nations.
TI  - China: : azolla propagation and small-scale biogas technology: report on an FAO / UNDP study tour to the People's Republic of China,  21 May-11 June 1978
T2  - FAO soils bulletin; 41
SN  - 92-5-100721-7
U1  - 665.776 21st ed.
PY  - 1978///
CY  - Rome : 
PB  - Food and Agriculture Organization of the United Nations , 
KW  - Biogas
KW  - Azolla pinnata
KW  - Azolla as fertilizer-China
KW  - Azolla as feed-China
ER  -