hydroseeding, where a slurry of seed, mulch and water is sprayed over prepared ground in a uniform layer.
Broadcasting seeding is sowing of seeds in the fields manually or by hand. Broadcast seeding is of particular use in establishing dense plant spacing, as for cover crops and lawns. After broadcasting, seed is often lightly buried with some type of raking action
This process involves direct sprinkling of seeds into the soil. Seeds sown in this manner are distributed unevenly (which may result in overcrowding). Also this method may not ensure that all seeds are sown at the correct depth .