India is the world's second largest rice producer, accounting for more than 20% of global production. However, there is still food insecurity for millions of Indian households, and the cost of maintaining the huge current subsides for fertilizer, power and other inputs as well as price subsides is a great fiscal burden for the nation. Under these circumstances, the opportunities offered by the system of the rice intensification SRI] and its extensions to crop production in many areas should be considered. At the present the productivity effects of SRI management have been demonstration in 42...