Ferro Top 6-0-12 (+6% MgO +8% Fe) + 18% S 
A mini-granular fertiliser (0.5-2mm diameter) for medium to high value turf. This is produced by Compo Expert.
Ferromel 20
A product name for a water-soluble iron sulphate, containing 19.5% Fe and 27.8% SO3. The application rate is 6-25kg of material mixed into 600-1000 litres of water per hectare. It is supplied by Agrovista Amenity.
Ferrosol
A liquid organic fertiliser. 15-0-0 + 6%Fe, +4% S (+3% citric acid), (Urea N source). Application rate is suggested as 20L per hectare, with a mixture ratio of 1L of concentrate in 40 Litres of water, giving 800 Litres per ha. Produced by Aquatrols (Europe Ltd).
Ferrous Sulphate Heptahydrate
A product name for a damp grade of Iron Sulphate which is used for greening up and ‘hardening’ a turfgrass surface. It has a typical application rate of 5-10kg, being dissolved in 200-600 litres of water per hectare. It can be applied at 3-6-week intervals, although not during extended dry / drought periods nor during frost. See also Ferrous Sulphate and Iron Sulphate entries. It is supplied by GBR Technology.
Fertilis
A range of soluble micro-granular fertilisers (0.5 - 1.5 mm diameter) containing potassium sulphate magnesium and micronutrients, including Bacillus subtilis (selection E4/CDX) to promote root growth and increases the resistance against turf pathogens. These are produced by Compo Expert.
• Fertilis Speed 18-5-10 (+2.5%Mg), + 12% S +TE;
• Fertilis Swing NK 14-3-19 (+2% Mg) + 15% S + TE.
Fertiliser Programme
A planned approach to turfgrass nutrition. Key aims of a fertiliser programme are to support the maintenance and development of a suitable turfgrass sward. Outcomes can be measured in terms of carrying capacity, durability of ground cover, density of sward, uniformity of sward, colour, extent of desirable grass species, user playing experience, playing quality such as speed / ball roll as well as traction, contribution to sustainability, cost-effectiveness, impact on disease susceptibility, impact on drought resistance, impact on weed ingress, and other measures.
A range of factors need t
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Fineturf Fertilizer
A diverse range of mini-granular fertilisers, with a typical diameter of 1mm - 2.5mm, being suitable for use on fine turf surfaces. The products have a blend of different organic and inorganic nitrogen sources. Iron and / or Magnesium are also included in some of these products, whilst seaweed extract and humic acid are also included in many of them as well. Most of the products have a typical release rate of either 6-8 weeks. These fertilisers are marketed by Rigby Taylor.
Fineturf Soilfix
A range of fertilisers that are focused on calcium and magnesium, with trace elements of Manganese and Boron, being produced by Terralift.
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Fineturf T-Plex Range
A range of granular organic fertilisers combined by methylene urea, being produced by Terralift.
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Fineturf TX Range
A range of granular organic fertilisers produced by Terralift.
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