‘Apply more than just nitrogen, phosphorus and potassium to your greens this autumn’

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Greenkeepers should apply more than just nitrogen, phosphorus and potassium to their green areas this autumn, with magnesium and iron essential to maintaining healthy, disease free grass throughout the winter.

That is the latest advice from Richard Brown, amenity sales manager for Germinal GB, who recommends the application of specialist fertilisers to ensure grassed areas remain healthy as the weather turns cooler.

“No matter how naturally resistant a grass cultivar is to diseases such as fusarium, an unhealthy or nutrient deficient sward won’t be able to withstand the disease pressures associated with the onset of wetter and colder autumn conditions,” Brown explains. “Greenkeepers must therefore remember that feeding the sward goes beyond applying the main three macro-nutrients of nitrogen, phosphorous and potassium, and should apply additional micro-nutrients, namely magnesium and iron, to bolster tolerance to disease and cold conditions.”

Germinal’s specialist G13 Protekt and G14 Alleviate Fe fertilisers are formulated to provide the necessary nutrients to protect grass swards at crucial times such as during the onset of cooler autumn and winter conditions.

G13 ProteKt is a 3-0-22 (+3% Fe) anti-stress fertiliser. Containing 22% potash and 3% iron, it can be used during the autumn and winter to harden turf, heighten sward colour and prevent disease attack. Used at this time of year, G13 ProteKt enhances wear tolerance, protects the sward from frost damage and enables quicker recovery in the subsequent spring.

G13 ProteKt can also be applied in the spring and summer when its high potassium content aids transpiration control in dry periods and fortifies the drought tolerance of grass plants.

G14 Alleviate Fe is a 4-0-10 (+8% Fe) fertiliser which is ideal for protecting high value turf areas such as sports fields, golf greens and tees and bowling greens throughout the growing season, but especially during the autumn and winter months. G14 Alleviate Fe contains magnesium, a vital component of chlorophyll, which helps to maintain good metabolism of energy for healthy plant growth. Its high iron content improves resistance to disease and ensures quick greening throughout the growing season without causing any intense flushes of growth. G14 Alleviate Fe also helps to control and inhibit moss.