The official journal of Agricultural Sciences published by the Faculty Agriculture, Eastern University, Chenkalady, Sri Lanka.AGRIEAST publishes research information broad practical significance pertaining to both tropical and subtropical Agriculture.

The isotopic composition of N and O nitrate (NO3?) is usually employed to trace its sources pollution in groundwater. In agricultural areas, the amount NO3? that reaches aquifers after fertilization controlled by different transformation processes can affect nitrogen species composition. Aiming address reliability using isotope tools groundwater NO3?, goal this study was check effect on compoun...