Jordplan AS develop a data management system for agriculture based on open source technology and international standards for web applications. Basic data are soil analysis, fields, crops and nutrients. Jordplan is a platform for sharing of data with other users and we build user groups that agree to share their data. Suppliers to the industry may use the platform to get detailed information from their customers about their Basic functionality is nutrient planning using chemical fertilizer, slurry and bio organic fertilizers. Also a a model to generate variable rate application data for lime is in operation. New developments include an international grade nutrient planning model based on research from Bioforsk (http://www.bioforsk.no)Something looks off?