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Asian Journal of Plant Sciences

Year: 2007 | Volume: 6 | Issue: 1 | Page No.: 187-189
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Authors

L. Baftehchi

S. Samavat

M. Parsa

N. Soltani

Keywords

Research Article

Study the Function of Blue-green Algae in Urban Garbage Compost of Iran

L. Baftehchi, S. Samavat, M. Parsa and N. Soltani
Blue-green algae as nitrogen fixers have been used in different countries for a long time and are well known as biofertilizer. According to the quality of urban garbage composts of Iran especially in Tehran, diazothrophic cyanobacteria were considered as compost supplier. Cyanobacteria species were collected from paddy fields of north provinces of Iran (Gillan, Mazandaran and Golestan). Fischerella sp. was the dominant species in each province and had the highest content of nitrogen. Different amounts of this cyanobacterium (0.1-1%) and also different ratio of moistures (80-240%) were added to compost. Results showed that using different amounts of algae had no significant effect on growth rate and nitrogen content. Otherwise moisture had significant effect on growth rate of Fischerella sp.
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