Turf Hardener
A product name for a soluble liquid concentrate with a range of nutrients, including 7.04% N; 1.02% MgO; 15% CaO; 0.4% B; 0.25% Zn, being used as a foliar spray. The application rate is 20-40 litres of concentrate in 300-400 litres of water per hectare. It is supplied by Agrovista Amenity.