The fertilizer is used for corms and ranunculus - highly recommended whn purchasing ranunculus and anemone corms.
It is a slow release fertilizer. A once off application lasts 8 months.
Use 60 - 100g of fertilizer per square meter mixed into the soil. If you cannot apply thoroughly through the soil then apply a top layer at least.
Mix 5g per liter of soil. For very sandy and poor soil increase to 7g per liter of soil.