Name three crops sown by sowing seeds.

The crop cultivated by sowing seeds directly into the soil is

Three sides of a triangular field are of length 15m, 20m and 25m long, respectively. Find the cost of sowing seeds in the field at the rate of X5 per sqm.

Three sides of a triangular field are of length 15 m, 20 m and 25 m long respectively. Find the cost of sowing seeds in the field at the rate of 5 rupees per sq.m.

Name three patterns of cropping.

What are the advantaes of sowing seeds by using seed drill over thath done by hand?