


It is important to know how much actual nutrient is being applied when planning accurate turf fertiliser input. Detailed below are the calculations, with examples, for granular, soluble and liquid fertilisers. Granular Fertilisers To calculate the kg of nutrient applied per hectare: Example: An application of Impact 6518 Fine Turf Fertiliser applied at 25 g per m²: Soluble Fertilisers To calculate the kg of nutrient applied per hectare: Example: An application of Fusion Soluble 20720 applied at 10 kg per ha: Liquid Fertilisers Historically, to calculate the amount of nutrient applied by a liquid it was necessary to know the specific gravity. Now all Indigrow liquids are labelled with the nutrient content by volume so it becomes just a straight forward multiplication, the same as for soluble fertilisers To calculate the kg of nutrient applied per hectare: Example: An application of Fusion BioGreen 1899 applied at 40 litres per ha Conversion Factors Different countries adopt different ways of expressing nutrients  either the oxide form (e.g. P₂O5) or elemental (e.g. P). All Indigrow products carry dual labelling: P₂O₅ convert to P = x 0.43 P convert to P₂O₅ = x 2.29



