IMPORTANCE OF RURAL PRODUCTION TECHNOLOGY OF BGA (AULOSIRA, TOLYPOTHRIX, ANABAENA, NOSTOC)

Life science/botany/ biotechnology

Almost BGA are found in every type of habitat and so that they are a morphologically diversely and large group of phototrophic prokaryotes on the earth. The remarkable lack of morphological change may explain by this versatility has been seen in fossilized cyanobacteria which are 3.5 billion years old and in their counterparts of modern days. An important part of algae will make excellent fertilser for paddy, and will have food supplement for livestock with high protein especially for the poultry in India. This coupled will definitely encourage production of algae- feed- fertilizer integration raising in the recycling system of nitrogen with livestock. Uses of BGA as a fertilizer provides inherent advantage ecologically with cyclic nutrient supply system. For the development of biofertiliser technology based on BGA in India, a considerable progress has been made. This point also has been raises in demonstration that this technology may be a important and powerful source of increasing rice crop yield with enriching fertility of soil. But, however this technology also needs to be further improvement system for exploitation in better way under the sustainable system of agriculture. It is also necessary to find out so much detail understanding in agriculture system, dynamics of algal population over the whole annual cycle. Field studies at extensive level to developing high quality inoculums at region specific are also required. BGA may be very useful to understand biology of drought resistant in the term of extending this type of approach to dry crops.

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