(a) Name the tool used with a tractor for sowing seeds in a field.
(b) What are the advantages of using this tool?
(a) Seed drill.
(b) The advantages are,
(i) seeds are sown at a uniform distance and depth to avoid over crowding.
(ii) after sowing, seeds are covered by soil which prevent them from being eaten by birds.
(iii) It saves time and labour.
