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Rice is the most important food crop for human consumption is the staple food for nearly half of the world population. It continues to play vital role in the international food grain supply. Rice is life for thousands of millions of people. In Asia, more than 2000 million people obtain 60-70 percent of their calories from rice and its products. It is of significant importance for food security in an increasing number of low-income food deficit countries. However rice production is facing serious constraints including a declining rate of growth in yields, depletion of natural resources, labour...

Agriculture today is a business proposition and no more it is regarded as a way of life. Therefore, any decision pertaining to resource organization, allocation, production planning and enterprise selection are all-important areas of farm decision making. Risk is inherent in every form of enterprise, but its intensity in input-output relation in agricultural production is comparatively high.Agricultural activities are exposed to controllable and uncontrollable risks. Controllable risks are typically pests, diseases, weeds, and seed material. Uncontrollable risks are rainfall and its deficit...

Tamil Nadu is India's fifth largest producer of rice, next to West Bengal, Andhra Pradesh, Punjab and Uttar Pradesh. The Cauvery delta region of the composite Thanjavur district in the state is known as the Rice Bowl of South India. Rice is grown in 2.1 million hectares accounting for about one-third of the gross cropped area under diverse environments in the state, like; rain-fed tank, tank, tank cum well, canal (river) and canal (reservoir) irrigation systems. The rice productivity growth had been declining at the rate of -0.40 per cent (during period 1990-91 to 1999-00) as the yields of...