Denmark : National Nitrogen Management Program
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*Initiated in 1987,
*Provided precise advice to farmers for accurate and moderate
*fertilisation 
*mandatory soil winter cover
*balancing of livestock with available manure storage and spreadable land.
*a strict State control system including annual N budget and surplus for each farm.
*regular controls of practices at field level
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*Results:
*Reduction of 28 % of nitrogen losses, and of 50% in the N surplus at farm level.
*In purely agricultural watersheds, a 20 % reduction of N load has been achieved
*Eutrophication of coastal waters is beginning to decrease.
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