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It is always recommended that slurry be applied immediately after grazing and to then wait seven days before applying chemical fertiliser to the same area, according to Brendan Horan, grassland systems research officer at Teagasc.
"This allows the slurry to be integrated quickly into the soil and ensures maximum subsequent response from applied chemical fertiliser afterwards," he said.
Irish Farmers Journal tillage expert Andy Doyle added that it is also better to have as little slurry as possible on existing vegetation which is to be regrazed, as the artificial fertiliser applied subsequently will work its way down through the vegetation and not impact on subsequent grazing.
"The interval between the two will be influenced by weather at the time and the grass growth rates – the faster it is growing the more fertiliser it requires," he said.
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