Q76. How a plough works?
Q77. What are weeds? How can we control them?
Q78. What is irrigation? Describe two methods of irrigation which conserve water.
Q79. Arrange the following steps of sugarcane crop production in proper order.
1. Sending crop to sugar factory
5. Preparation of soil
6. Ploughing the field
Q80. Why is tilling of soil important?
Why is turning and loosening of soil important?
Give any three advantages of ploughing.
Q81. Write a paragraph in your own words on each of the following.
(a) Preparation of soil (b) Sowing (c) Weeding (d) Threshing