This diagnosis model has been develop to help advisors when consulting farmers and find economical solutions for manure management. The risks for environmental and water pollution are evaluated and rated for the farm investigated in order to point out the aspects that can be optimized. For farms with storage facilities problems, an analysis of the farm situation with the manure produced and the land available for manure spreading is done and a manure spreading calender is made considering the crops. The storage facilities necessary are than deducted to solve the problem.