Rice (Oryza sativa L.) is one of the most important staple cereal crops in the world and it is one of the main source of carbohydrates for nearly one half of the world population. However, more than 90% of the rice is produced and consumed in Asia, where it is a staple for a majority of the population, including the region's 560 million hungry people. India has a long history of rice cultivation and stands first in rice area and second in rice production, after china (Yadav et al., 2010).Phosphorus deficit is a most important restrictive factor in plant growth and recognition of mechanisms...