Description
Greenmaster Liquid Advance High N is a liquid nitrogen turf fertiliser from Everris Australia Pty Ltd, trading as ICL. It supplies 32.8% w/v nitrogen with 1.6% magnesium, trace elements, MTU® and pidolic acid. As a result, it gives turf a quick visual response and strong colour during peak demand.
Turf shows a visible response within 24 hours, depending on conditions. In addition, MTU® helps maintain nitrogen efficiency and energy balance under stress. The feed then lasts 2 to 4 weeks, also depending on conditions.
Product highlights
- Analysis: 32.8-0-0 + 1.6 Mg + TE (% w/v)
- Three nitrogen forms: nitrate 9.5%, ammoniacal 7.8% and urea 15.3%
- Application rate: 20 to 50 L/ha in 300 to 1,000 L/ha of water
- Pack coverage: 10 L treats 2,000 to 5,000 m²
- Pack size: 10 L, for professional use only
How this liquid nitrogen turf fertiliser works
MTU® maintains nitrogen efficiency and energy balance when turf is under stress. Pidolic acid also supports nutrient uptake. Meanwhile, high nitrogen drives a rapid response and sustained feeding.
How to apply Greenmaster Liquid Advance High N
Apply 20 to 50 L/ha in 300 to 1,000 L/ha of water (200 to 500 mL per 100 m² in 3 to 10 L of water). First, trial a small area before you change the rate or method. Then check the tank-mix chart before you combine products.
What goes into Greenmaster Liquid Advance High N
- MTU®: keeps nitrogen working efficiently under stress.
- Pidolic acid: supports nutrient uptake and stress tolerance.
- Nitrogen (32.8% w/v): drives rapid response and sustained feeding.
- Magnesium (1.6%): boosts colour and recovery.
- Trace elements: boron, copper, manganese, molybdenum and zinc support colour and health.
Together, these ingredients deliver a quick response, strong colour and steady growth.
Frequently asked questions
Q. How often should I apply Greenmaster Liquid Advance High N?
A. Plan around its longevity of 2 to 4 weeks, depending on conditions. Trial a small area before you change timing.
Q. What is the analysis of Greenmaster Liquid Advance High N?
A. The analysis is 32.8-0-0 + 1.6 Mg + TE on a w/v basis. That means 32.8% nitrogen, no phosphorus or potassium, and 1.6% magnesium. Trace elements add boron, copper, manganese, molybdenum and zinc.
Q. How much turf does one 10 L pack cover?
A. One 10 L pack treats 2,000 to 5,000 m². This matches a rate of 20 to 50 L/ha. The water volume is 300 to 1,000 L/ha.
Q. When can I use Greenmaster Liquid Advance High N?
A. ICL recommends use from January to December. The product suits all turf areas. However, always trial it on a small area first.
Q. Can I tank mix it with other Greenmaster Liquid Advance products?
A. The ICL chart lists NK, Cal-Mag and High K as compatible. Spring and Summer is compatible only when you use the mix immediately. Always check the full chart before mixing.
Q. Is Greenmaster Liquid Advance High N comparable to LiquiMaxx N-MAXX 40 (N-40)?
A. Similar, but not identical. Both are liquid nitrogen turf fertilisers in 10 L packs. However, N-MAXX 40 lists 40% w/v stabilised nitrogen as its only nutrient. In contrast, Greenmaster High N adds magnesium, trace elements, MTU® and pidolic acid. The registrants also differ. Compare both labels and rates before you substitute.












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