Grupa Azoty·Macronutrients
Ammonium Sulphate AS 21 Select
Пряме гранульоване азотно-сірчане добриво: 21% N і 24% S для зернових, ріпаку, кукурудзи та буряків; вносять до сівби або навесні.
Main advantages
- 21% ammoniacal N — steady season-long feed
- 24% sulphur (60% SO₃) — stronger protein and oil
- Ammonium nitrogen — resists nitrate leaching
- Uniform granules — accurate spreader coverage
- Mild acidifying effect — unlocks soil phosphorus
About this product
Ammonium Sulphate AS 21 Select
Сульфат амонію AS 21 Select — пряме азотно-сірчане добриво, що містить 21% азоту в амонійній формі та 24% сірки (60% SO₃) у гранульованій сипкій формі. Стабільний амонійний азот стійкий до вимивання, а водорозчинний сульфат сприяє синтезу білка та формуванню олії. Підходить для озимих і ярих зернових, ріпаку, кукурудзи, цукрових буряків, картоплі та лук; вносять до сівби або в ранньовесняне підживлення нормою 80–250 кг/га.
At a glance
Nutrient composition
Nutrient composition
NPK blend
Values are % nutrient by mass. Balanced blend for starter nutrition.
Nitrogen (N)
21%
Vegetative growth, leaf mass
Application
Rates, windows, expected results
- Application rate
- 80–250 kg/ha (crop-dependent)
- Window
- Pre-sowing incorporation or early spring top dressing
- Compatible crops
- Winter cereals · Spring cereals · Winter oilseed rape · Maize · Sugar beet · Potato · Cruciferous vegetables · Grassland
Full specifications
Every field from the manufacturer
- Type
- Nitrogen
- Form
- Granular
- Nitrogen (N)
- 21%
- Manufacturer
- Grupa Azoty
- Sulfur (S)
- 24%
- Application
- Soil
- Target Crops
- Winter cereals, Spring cereals, Winter rapeseed, Corn, Sugar Beet, Potato, Brassicas, Grassland
- Growing conditions
- Application sites
- Культури (джерело)
- Winter cereals; Spring cereals; Winter oilseed rape; Maize; Sugar beet; Potato; Cruciferous vegetables; Grassland
Vendor offers
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Questions & answers
What farmers ask most
- Rates depend on crop, prior history, soil-analysis results, and current soil nutrient status. A typical NPK complex on cereals is 150–300 kg/ha. Use the /calculators/npk tool or consult an agronomist for an exact dose.
Product specifications are compiled from publicly available manufacturer sources and are provided for guidance only — confirm all details with the vendor before purchase. Brand names, logos and trademarks are the property of their respective owners; a listing on ADAM does not imply affiliation, sponsorship or endorsement.