
PolyPhosphite 30® (0-0-27)
Boost your lawn’s natural defences with the longest-lasting phosphite on the market. PolyPhosphite 30® is a premium liquid fertiliser formulated using patented 9-link chain technology that enhances the health and resilience of plant tissue. Backed by rigorous international scientific trials, it activates the turf’s defences against extreme water and heat stress, drastically reducing the incidence of diseases such as Microdochium patch and anthracnose without the need for chemical pesticides.
What is PolyPhosphite 30® and what does it do? PolyPhosphite 30® (0-0-27) is a fertiliser a potassium foliar spray based on patented 9-link chain technology (9-Link chain phosphite). Unlike conventional phosphites, this unique molecular structure makes it the phosphite with the greatest persistence and longest duration within the plant.
PolyPhosphite 30® marks a definitive step forward in precision nutrition for golf courses and high-performance sports grounds. Thanks to its long-chain molecular structure, the phosphite remains active within the plant for much longer than standard formulations in the sector, ensuring extended protection and optimal potassium uptake.
Main Functions and Benefits:

- Health without Chemicals: It dramatically improves the quality of the turf by correcting critical deficiencies and strengthening its natural defences.
- Extended resistance to Microdochium: Field trials carried out in Ireland revealed a significant reduction in the incidence of fungal infection Microdochium nivale on lawns undergoing 28-day treatment programmes.
- Mitigation of Anthracnose: It substantially reduces levels of leaf infestation under conditions of high disease pressure, whilst maintaining the density and colour of the turf.
📊 Key Benefits Proven:
- Health without Chemicals: It dramatically improves the quality of the turf by correcting critical deficiencies and strengthening its natural defences.
- Extended resistance to Microdochium: Field trials carried out in Ireland revealed a significant reduction in the incidence of fungal infection Microdochium nivale on lawns undergoing 28-day treatment programmes.
- Mitigation of Anthracnose: It substantially reduces levels of leaf infestation under conditions of high disease pressure, whilst maintaining the density and colour of the turf.

📦 Application Instructions & Technical Data
- Manufacturer: Plant Food Company, Inc. (The Liquid Fertiliser Experts).
- Guaranteed Riches: 0-0-27 (27% soluble potassium).
- Dosage for the General Programme (every 28 days): Apply 20 L/ha PolyPhosphite 30® applied as a foliar spray from October to March (the period of highest susceptibility).
- Mixing suggestion 1: 20 L/ha PolyPhosphite 30® + 2.4 L/ha GreenBlade™.
- Mixing suggestion 2: 20 L/ha PolyPhosphite 30® + 20 L/ha MicroPack EDTA.
- Dosage for the Intensive Programme (every 14 days): Apply 10 L/ha PolyPhosphite 30® to maintain a constant and uniform level of protection in high-risk situations (high humidity or prevalence of Poa annua).

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