Question

why is the use of seed drill more advantageous as compared to sowing seeds by broadcasting

Answer 1

seed drill ensures that seeds are sown at proper distance.
but, when seeds are sown by broadcasting, seeds are not sown uniformly. it may happen that many seeds are sown at the same place or very few seeds are sown at a place. hence a seed drill is prefered for sowing seeds.
hope it helps

Answer 2

The use of seed drill is more advantages as compared to sowing seeds by broadcasting because in seed drill as love moves the seed get planted in the furrous by moving plough seeds are planted uniformly.