Makosh·Macronutrients
Crystalline ammonium sulfate (21% N, 24% S) from Grupa Azoty. Dust-free 1–4 mm crystals for basal and top-dress feeding of cereals, rapeseed and row crops.
Main advantages
About this product
AS 21 macro is a crystalline ammonium sulfate fertilizer from Grupa Azoty, supplying 21% ammonium nitrogen and 24% water-soluble sulfur. The nitrogen drives vegetative growth while sulfur boosts protein formation, oil content and overall yield. The 1–4 mm crystals spread evenly without dust across an 18–24 m working width. Apply to the soil as a basal dressing or top-dressing on cereals, rapeseed, corn, sunflower, sugar beet, potato and vegetables at 100–300 kg/ha.
At a glance
Nutrient composition
Nitrogen fertiliser
Straight nitrogen fertiliser. Value is % N by mass, not an NPK blend.
Nitrogen (N)
21%
Vegetative growth, leaf mass
Application
Full specifications
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Questions & answers
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