a. How is intensity of cropping calculated ?
b. Name a state having a high index of cropping intensity and give reasons for it.
a. It calculated through following formula
The intensity of cropping = Total cropped area/Net sown area x 100
b. Punjab has the highest index of cropping intensity because here 129 kg/ hectare fertilizers , 11 tractors per thousand hectare, 75 pumping set per thousand hectares are used and 99 % of the gross cropped area is irrigated.
a. What are the geographical conditions needed for the cultivation of groundnuts in India ?
b. What are the various uses of oilseeds ?
Give an account of fishing along the west coast of India with reference to the main fishing states, the varieties caught, the problems faced and developments in the industry.
a. Give two examples of mass communications.
b. What are the advantages of satellites in communications ?