In the simplest of words sowing is planting seeds. Rye, wheat and oats are among the main field crops which are sowed. There are a lot of factors to be considered when it comes to sowing; depth and spacing being the most important ones. The process of sowing can be classified mainly under two heads- Hand sowing and machine sowing. Hand sowing types include wide bed sowing, ridge sowing, flat sowing etc. With the advent in technology, lots of machines like seed drills are available in the market