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 | Land Portal

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Date of publication: 
Dezembro 1978
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The Study Tour was financed by the UNDP and had the following objectives. To gain knowledge and experience in: - The multiplication of Azolla as a source of biological nitrogen, particular attention being paid to propagation of Azolla and its protection form disease, insect damage and adverse climatic conditions. - Harvesting and agricultural use of Azolla. - Contruction of small-scale biogas units. - Management of biogas units and efficient use of the gas by farming communities and of the effluents for improving soil fertility

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Author(s), editor(s), contributor(s): 

Land and Water Division
Deputy Directory-General Natural Resources

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