System of Rice Intensification
Writing the plan now called SRI started in the 1960s when Fr. de Laulanie kept notes on growing rice. The SRI plan includes using less water and hand planting very young seedlings in a square. The SRI plan continues to change. Sometimes people try to use only rain for water, and sometimes people try to plant seeds instead of young plants. The main parts of SRI plan written by Cornell University, New York are: