Super fos dar 40® is a typical presowing fertilizer. It is proper for the long vegetation plants. It can be applied both in autumn and spring and it gives best results when mixed with soil. Highest effectivity is achieved on acidic soils and in perennial crops fertilisation. It is recommendable for fertilisation of grasslands where phosphorus is easily assimilable by plants. On grasslands the fertilizer can be applied in early springtime or summertime after the first mowing (meadows) or after the first grazing (pastures). The fertilizer can be applied on every type of soil, regardless of the soil compactness, mainly highly humid and acidic. Super fos dar 40®before spreading can be mixed with ammonium nitrate and urea, on condition that the fertilizers are dry, and any time with potassium salt and potassium sulphate.