The agriculture sector and its remarkable advances during the middle of 20^th century is considered to be the basis for securing the food supply of a rapidly expanding human population especially in the developing countries that was enjoying the fruits of industrial revolution reflected in there improving socio-economic status. The impetus received by the agriculture sector through the green revolution was however lost in the new wave of economic liberalization and rise of service sector during the final decade of last century. Agriculture sector has been increasingly marginalized from the development focus of governments and has become stagnant as a result. Whilst the world population continues to grow and is expected to grow at the rate of about 2% per annum , the area under agriculture has remained constant at about 38% of total arable land for the last twenty years

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