Here it is definite that there is surface run off.

slurry tank that overflows

Austria

Regulations and subsidies in austria

Guidelines for nitrate:

• Seasonal restrictions for the application of N-containing fertilisers (arable and grassland, no regional differentiation - exceptions are possible!)
• Limitation for N-containing fertilisers if there is a risk for surface run-off (> 10% slope, special regulation for small sized fields in the mountainsours region
• Forbiddance of any N-fertilisation on frozen, afloated/water saturated and snow covered soils
• Minimum distances to surface water of 3-20m
• Special regulations for aut of farm-storage of solid manure
• Minimum storage capacity for farm manure - 6 months!
• Special demand for the application of fertilisers (dosage, distributions quality, soil pressure...)

N-limitation for farm manure:

maximum allowed N-amount from farm manure:

• 170 kg N/ha and year (gross N excretion - 15% unavoidable losses)

Special regulations are possible on the basis of objetive criteria:

• long vegetation period
• N-wasting crop rotations,
• high precipitation rate
• strong denitrification

Austrian exception application for 230 kg N/ha has passed the EC

Page updated 6.4.2006