Select three qual Sized Seedlings. Take theexempt glasses or Similar Vessels. Mark them A, B and C. Toglass A add little amount of Soil mixed with a little Cow dung manure. In glasse Bput the Same amount of Soil mixed with a little Urea Take the Same amount of Soil in glass C without adding a anything. Now pour Same amount of water, in each glass and plant the seedings in them. Keep them in a Safe place and water them daily. After 7 to 10 days Observe their growth. the Did plants in the glasses grow at the Same pace? which glass showed better growth of plants?