Seaweed is a multicellular marine algae, it’s very important for the marine living renewable source, seaweeds wildly used for gelling and stabilizing agents for many food and pharmaceutical industries. Soil fertility it depends upon the fertilizer requirement of the plant or crop, now a day’s lot of chemical fertilizers commercially available but the growth, yield and fertility of the soil are very much reduced/damaged. Recent studies proved that seaweed fertilizer very much better than other fertilizer. The seaweed fertilizers contained a lot of nutrients such as nitrogen, phosphorus, potash and plant growth hormones and trace element. This seaweed fertilizer is used to enhance the seed germination and plant growth/crop yield.