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Supply of nitrogen for seed germination etc.
Ms. B Swetha
Warangal, Andhra Pradesh

1st National Grassroots Innovation - 2001

She is a student, studying in the 10th standard in J.M.J High School, Hanam Konda. She has sent her ideas in the field of Agriculture, because she thinks that it is the most important and oldest industry, which supplies food and basic needs like clothing and shelter to human beings.
Chemical reaction of blue-green algae with soil kills pests: Blue - green algae when mixed with soil would immediately kill the pests Present their due to their chemical reactions. Thus these blue - green algae are harmful to pests but not to human being.