Heavy top dressing applications, especially during periods when turf growth is slow can lead to smothering and outbreaks of Fusarium Patch disease.
Apply top dressings during periods of turf growth and ensure that they are thoroughly worked in.
The rate of top dressing varies according to whether deep aeration / hollow coring has taken place or not. When growth is relatively slow apply micro dressings only e.g. 0.5kg/sqm, however as much as 3kg/sqm can be applied following hollow coring, when large amounts are applied ensure it is thoroughly incorporated.