< p > < span =风格"font-size:14px">Through the intenstive use of fetilizers green revolution has been successful increasing agricultural production bu the spot of ground where the corn and plants grew has changed beyond recognition. In the race of producing more food at any cost, soils in countries like India has badly deteriorated. Industrialization, urbanization and infrastructural developments have reduced agricultural land to a significant extent which is to be compensated by excesive use of fertilizers. Crops according to their nature consume a fraction of nutrients applied to the field while the rest causes soil and water pollution. In the present investigation an attempt has been made to assess the consumption coefficient of phosphorus by two common crops. i.e. mzie (Zea mays) and paddy (Oryza sativa).