There are only two ways to satisfy the increasing food and other agricultural demands of the country's rising population: either expanding the net area under cultivation or intensifying cropping over the existing area. The net sown area of the country has risen by about 20 per cent since independence and has reached a point where it is not possible to make any appreciable increase. Thus; raising the cropping intensity is the only viable option left.
Cropping intensity refers to raising of a number of crops from the same field during one agriculture year. It can be expressed as
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