Causes or Importance of Green Revolution (GR):

(2) Agricultural Development: With limited land, fast growing labor force, slow rate of labor utilization and lack of serious policies for enough investment in agriculture by the govts. the food crises rose in some UDCs. Moreover, in LDCs, the heavy emphasis is laid on industrialization for which there is the need for foreign exchange. Hence, they did not have enough foreign exchange for the food imports. Moreover, the natural calamities like droughts etc. often created large troubles for LDCs. Therefore, the govts. of LDCs should think of increasing productivity in agricultural sector. This could be possible by inventing miracle seeds for wheat and rice. The miracle seeds were first used in Mexico and are known as Mexican seeds. The use of these seeds resulted in increasing agri. production much higher than traditional varieties.

(3) Double and Multiple Cropping: The invention of new seeds had the effect of increasing the cropic intensity. Earlier in many LDCs the system of double cropping was uncommon. The arrival of new dwarf varieties of seeds will open up the possibility of double and multiple cropping in large scale. This rise in cropic intensity will increase per acre yield substantially. Thus farm income will begin to rise in the areas covered by HYV (High Yielding Veriety) projects. Farmers attitude towards risk will change when their production will go above MCN.

(4) Increase in Use of Fertilizers: The other factor which greatly increased the food production and per acre yield is a rise in the use of fertilizers. There exists a positive relationship between fertilizers use and crop response. It has been observed that nitrogen fertilizers along with HYV of wheat and rice have increased the production three times more as compared with the traditional variety. Thus through the effect of fertilizers on yields and increasing multiple cropic the fertilizers play a vital role in promoting GR in LDCs. To increase the use of fertilizers the subsidies have been given to farmers in so many UDCs. But it has been also observed that there exists an inverse relationship between the use of fertilizers and their prices. Despite this problem with GR, fertilizers have played an important role, particularly in raising agri. surplus.

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