Production of Food and its Management — BIOLOGY STD 8 — Question

Seeds can be sown by two different methods.
Broadcasting : The first is by scattering the seeds by hand. It is also called broadcasting. But this results in unequal distribution of seeds and may not get planted at the correct depth. If planted deep in the soil, they cannot respire and their shoots may not be able to push through the soil. If planted on the surface, they will be eaten by birds.

Seed drill : The other method is to use a seed drill A seed drill is a metal tube that pokes a hole in the ground. The farmer drops seeds into the hole, and then covers it up. It ensures that the seeds are properly spread and that the seeds go into the soil up to the right depth.