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Key rules of slurry spreading

Teagasc advice for slurry spreading is as follows:

  • Spread most of the slurry produced on the farm in the spring when weather conditions favour it most, rather than after silage has been cut in the summer;
  • When weather is suitable, apply 2,500-3,000ga of slurry to the paddocks and fields that you will be grazing first, at least six weeks before turnout;
  • Paddocks that have heavy covers of grass should not get slurry until immediately after they are grazed;
  • Reduce the amount of N needed for first-cut silage by spreading slurry on those fields first. When fields are grazed and closed for silage, apply 2,500-3,000ga of cattle slurry before applying any bagged N. You can then reduce the amount of bagged N spread by taking into account the units that have been supplied in this slurry;
  • Spread slurry on dull and slightly wet days;
  • Don’t spread slurry when there is heavy rain forecast or there is a heavy ground frost;
  • Don’t apply slurry to fields with heavy covers of grass until they are grazed first;
  • Don’t apply slurry on dry sunny days where there is a strong breeze/wind;
  • Don’t apply slurry on top of bagged fertiliser.

Indo Farming