In order to feed the growing population, scientists have found ways to increase the yield of a crop. what does the
term yield mean?
1, amount of water used
2, amount of land need for the crop
3, amount of chemicals used on the crop 4, amount of food produced in an area

4. Amount of food produced in an area

Explanation:

Agriculture yield is important thing in primary sector, it measures the amount of food produced in an area. Before Green revolution, India’s food grain production is not self sufficient to their own people, so India plan to launch the Green revolution. They approach the Norman Borlaug for implement the green revolution who is the Father of Green revolution. Then, India concentrate on High yielded variety (HYV) seeds, fertilisers subsidy, sufficient drainage for crops and so on. Green revolution increase our main food grains Rice and Wheat, HYV seeds give high yield than traditional agriculture method.