Q68. Why is it necessary to dry the harvested food grains before storage?
Q69. Why drilling is the best method for sowing of seeds?
Or
Explain the method used these days to sow seeds.
Q70. What are the advantages of sprinkler system of irrigation?
Q71. What are the steps involved in agricultural practices?
Q72. Why organic manure is considered better than fertilisers?
Or
What are the advantages of organic manure?
Q73. If wheat is sown in the kharif season, what would happen? Discuss.
Q74. Name the three tools used for ploughing. Write function of each.
Q75. Explain how fertilisers are different from manure.