China azolla propagation and small-scale biogas technology.

China azolla propagation and small-scale biogas technology.

Xehetasun bibliografikoak
Erakunde egilea: Food and Agriculture Organization of the United Nations
Formatua: Liburua
Hizkuntza:English
Argitaratua: Rome FAO 1979.
Saila:FAO soils bulletin 41.
Gaiak:
Azolla > Econ. aspects.
Ferns > China.
Waste products as fuel.
Biogas.