Author(s):

Surendra Kumar Ojha, Jane C Benjamin and Dr. Ajay Kumar Singh

Abstract: Blue-green algae (BGA) are known to contribute up to 80 kg N/ha per season in the rice ecosystem (Kannaiyan et al., 1983). Algae is simple living. Like most algae plants, the presence of sunlight in the presence of photosynthesis creates its food by itself, i.e. self-absorbed. These can be from a cellular to multi-cellular multiple forms, but similar to the plants, the roots, leaves, etc. are not found in the compositions. These damp land, alkaline and saline water, bark of trees, green, brown or some black layers are found on damp walls. Nitrogen is an essential nutrient for the proper development of plants. In addition to chemical fertilizers, some species of algae and bacteria stabilize atmospheric nitrogen (80%) and give it to mudas and plants and increase the crop productivity. This action is called biological nitrogen fixation. These micro-organisms are called biofertilizers only. Neel-green algae is a special type of moss and Bio-fertilizers "eco-friendly” fertilizers Biofertilizers are the substances which contain living microorganism which when applied to the plant helps then to grown without causing any nutrient loss of soil and pollution.

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