Ammonium Sulphate 21% Nitrogen Fertiliser – Fast Acting Nitrogen & Sulphur Feed for Lawns, Vegetables & Crops

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Ammonium Sulphate.
Ammonium Sulphate

Ammonium Sulphate

Regular price £5.99 Sale price £39.99
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Magic Garden Ammonium Sulphate is a premium fast-acting fertiliser supplied by HD Chemicals. Containing 21% nitrogen and 24% sulphur, it supports vigorous leafy growth, improves crop quality, and enhances nutrient uptake. Ideal for acidic soils, lawns, vegetables, fruit, flowers, and agricultural use.


Key Features

  • ✔ High Nitrogen Content (21%) for rapid green growth

  • ✔ Sulphur-Rich (24%) improves protein synthesis

  • ✔ Ideal for acidic and sulphur-deficient soils

  • ✔ Fast-acting and fully water-soluble

  • ✔ Supplied in secure grip seal bags for freshness


Uses

  • Vegetable gardens and allotments

  • Lawns and turf maintenance

  • Fruit trees and soft fruits

  • Flowers and ornamental plants

  • Agricultural and horticultural crops


📋 Product Details

  • Weight: 500g (1 grip seal bag) | 1–4kg (multipack of 1kg grip seal bags)

  • Grade: Agricultural / Horticultural Grade

  • Form: Granules / Crystalline


📈 Other Names

Ammonium Sulfate Fertiliser, High Nitrogen Fertiliser, Nitrogen & Sulphur Fertiliser, Lawn Feed Fertiliser, Acidic Soil Fertiliser, Garden Nitrogen Feed, Agricultural Ammonium Sulphate, Magic Garden Plant Food


🌿 How to Use – Step by Step (Main Uses)

1️⃣ Lawns

  1. Measure 20–30g per m²

  2. Spread evenly on dry grass

  3. Water thoroughly after application

  4. Apply during spring or summer

2️⃣ Vegetable Gardens

  1. Apply 25–40g per m² before planting

  2. Lightly fork into the soil

  3. Water well

  4. Reapply every 4–6 weeks if required

3️⃣ Fruit Trees & Bushes

  1. Use 50–100g per plant depending on size

  2. Apply around the root zone

  3. Water deeply

4️⃣ Flowers & Ornamentals

  1. Apply 15–25g per m²

  2. Mix into the top layer of soil

  3. Water immediately

5️⃣ Agricultural Crops

  1. Apply 200–400kg per hectare

  2. Spread evenly with suitable equipment

  3. Irrigate after application

Safety & Storage

  • Wear gloves when handling

  • Do not exceed recommended rates

  • Keep away from children and pets

  • Store in a cool, dry place


Frequently Asked Questions (FAQ)

1️⃣ How quickly will I see results?
Visible improvement typically occurs within 7–14 days.

2️⃣ Can this fertiliser reduce soil pH?
Yes, it is particularly effective for acid-loving plants and soils.

3️⃣ Is it suitable for lawns?
Yes, it promotes dense, healthy green grass when applied correctly.

4️⃣ Is this product organic?
No, ammonium sulphate is a mineral fertiliser and not classed as organic.

5️⃣ How is it packaged?
All Magic Garden products are supplied in grip seal bags:

  • 500g = 1 bag

  • 1–4kg = multipack of 1kg bags


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Important: This product is intended for industrial, professional, or laboratory use only. Where applicable, specific uses will be indicated on the product page. Customers are responsible for ensuring compliance with all applicable regulations.
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