Grupa Azoty·Macronutrients

Ammonium Sulphate AS 21 Select

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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

21-0-0

Values are % nutrient by mass. Balanced blend for starter nutrition.

Nitrogen (N)

21%

Vegetative growth, leaf mass

Sulfur (S)24%FormGranular

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.