Cover Image
close this bookBioconversion of Organic Residues for Rural Communities (UNU, 1979)
close this folderIndian experience with algal ponds
View the document(introduction...)
View the documentIntroduction
View the documentCultivation of algae in wastes for feed
View the documentProblems of contamination
View the documentCultivation of algae for biofertilizer
View the documentReferences
View the documentAcknowledgements
View the documentDiscussion summary

Discussion summary

Spirulina is about 90 per cent stable with sewage, and could be even more so with other substrates. There is a 30 per cent saving of inorganic fertilizer when blue green algae are used in its place to fertilize rice, and crop response is evident within one year.