Therefore, they add organic matter as well as extra nitrogen to the soil. Cylindrospermum licheniforme grows in Sugarcane and Maize fields. Pendridih is selected for the study of cyanobacteria From rice fields as bio-fertilizer. The following microorganisms are used as biofertilizers: A Comparative Study on Nitrogen-Fixing Cyanobacteria in South American and European Rice Fields 459 Carlos Hugo Prosperi Bacteria biofertilizer Bacteria biofertilizers are the most common types of biofertilizers. They are bacteria that help in fixing different nutrients needed for plant growth in the soil. Production of Bacterial Bio-Fertilizer: With day-by-day increasing the population, especially in developing countries like India, the stress on agriculture is also increasing continuously. Symbiotic nitrogen-fixing bacteria like Rhizobium, and Frankia; Microbes As Biofertilizers. They fix Nitrogen, solubilize Phosphorus and secrete other growth-enhancing substances to support plant growth. Cyanobacteria Biofertilizer for Increased Crop Yield and Maintenance of Soil Quality 445 Algalization Technology 446 Future Perspectives 449 Conclusions 450 Chapter 18. ADVERTISEMENTS: In this article we will discuss about the production of various bio-fertilizers. Biofertilizer Blue-Green Algae (Cyanobacteria) Role of the blue-green algae (e.g. Cyanobacteria . Cyanobacteria are photosynthetic. Mass-production biofertilizer technology of free-living and symbiotic (Azolla-Anabaena) cyanobacteria was studied, as were the interacting and agronomic effects of both kinds of cyanobacterial biofertilizer with rice, improving the economics of rice cultivation with the cyanobacterial biofertilizers. cyanobacteria based biofertilizer technology. However, the technology needs to be improved further for better exploitation under sustainable agriculture systems. Address for Correspondence Upasana Mishra and Sunil Pabbi Centre for Conservation and Utilisation of Blue-Green Algae 1. Loose association of nitrogen-fixing bacteria like Azospirillum. Aulosira, Anabaena, Cylindrospermum, Nostoc, Plectonema, Tolypothrix) in the paddy fields was realized much earlier (Singh, 1961). Cyanobacteria are an extremely low cost biofertilisers. Cyanobacteria have a great potential as source of fine chemicals, as a biofertilizer, as a source of renewable fuel accumulators and as degrader of different kinds of environmental pollutants including metal ions, salinity, and pesticides. Abstract. Aulosira fertilissima is consid­ered to be the most active nitrogen fixer of Rice fields in India (Aiyer et al, 1972). Free-living nitrogen-fixing Cyanobacteria like Anabaena, and Nostoc. Chapter-8 describes basic microbial techniques used for isolation, identification, cultivation and storage of. Furthermore, the shrinking arable land, adoption of new technology, and the increasing willingness of farmers to spend more for higher productivity are some important factors that contribute to the increasing demand for biofertilizers. Survey and collection of rice field soil samples from different parts of Pendridih (C.G). 1. The history of cyanobacteria extends about 3.5 billion years back into the Precambrian era . Cyanobacteria, a group of photosynthetic prokaryotes, have drawn the attention of agricultural scientists due to their notable key features such as the presence of oxygenic photosynthesis along with nitrogen fixation, ease in genetic manipulation and excellent adaptability to various environmental vagaries. Biofertilizers Market - Growth, Trends, Analysis, Forecast to 2022 - The demand for biofertilizers is completely dependent on the growth of the fertilizer industry. 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