Restricted Product - Only Available to Commercial Customers
Calcium Ammonium Nitrate Prilled (15.5-0-0 + 18.5% Calcium)
Calcium Nitrate Granular is a highly soluble fertiliser that provides two essential plant nutrients in one application — readily available Nitrogen and Calcium. Suitable for vegetables, fruit trees, vines, flowers, turf, ornamentals, hydroponic systems, and fertigation programs, Calcium Nitrate delivers fast nutrient uptake and predictable plant responses throughout all stages of growth.
Nitrogen drives vigorous vegetative growth, protein production, and overall plant development, while Calcium plays a critical role in strengthening cell walls, improving produce quality, and supporting healthy tissue development. Together, these nutrients help produce stronger plants, improved crop quality, and enhanced post-harvest performance.
Unlike urea-based fertilisers, the nitrate Nitrogen in Calcium Nitrate is immediately available for plant uptake without requiring conversion in the soil, providing a fast and reliable growth response. This makes Calcium Nitrate particularly useful during periods of active growth, flowering, fruit set, and crop development.
Suitable for both soil-grown and hydroponic crops, Calcium Nitrate is commonly used to prevent and correct Calcium deficiencies and assist in reducing physiological disorders such as blossom end rot in tomatoes and capsicums, bitter pit in apples, hollow heart in brassicas, and tip burn in lettuce.
How it Works
Calcium Nitrate supplies plants with immediately available nitrate Nitrogen and highly soluble Calcium. The nitrate Nitrogen supports rapid growth, healthy foliage development, and protein formation, while Calcium strengthens plant cell walls and improves structural integrity throughout the plant.
Adequate Calcium nutrition helps improve crop quality, firmness, storage life, and overall plant performance. Strong cell wall development supports healthy plant growth and can help minimise common Calcium-related disorders that affect fruit and vegetable quality.
Because Calcium Nitrate is highly soluble, nutrients are quickly absorbed by plant roots and become available for immediate use, making it ideal for fertigation systems, hydroponic applications, and intensive crop production.
Benefits
- Provides immediately available Nitrogen and Calcium
- Promotes vigorous vegetative growth and crop development
- Strengthens plant cell walls and tissue structure
- Supports fruit firmness, quality, and shelf life
- Helps reduce blossom end rot, bitter pit, tip burn, and other Calcium-related disorders
- Supports healthy root, leaf, flower, and fruit development
- Suitable for vegetables, fruit trees, vines, flowers, turf, and ornamentals
- Ideal for fertigation and hydroponic systems
- Highly soluble and readily available for plant uptake
- Effective in cool and wet growing conditions
- Supports plant resilience during periods of environmental stress
- Can be used as a primary Nitrogen source or strategic Calcium supplement
Application Guide
Calcium Nitrate can be applied as a top-dress fertiliser, incorporated into fertiliser programs, or used through fertigation and hydroponic systems.
Apply according to crop requirements and existing nutrient levels. Water in thoroughly after application when used as a granular fertiliser.
Suitable for:
- Vegetables
- Fruit trees
- Citrus
- Vines
- Berries
- Flowers
- Ornamentals
- Turf and lawns
- Hydroponic systems
- Fertigation programs
Important Information
- Fast-acting nitrate Nitrogen for immediate plant uptake
- Highly soluble Calcium source
- Suitable for hydroponic and greenhouse production
- Particularly beneficial during flowering, fruit set, and fruit development
- Lower acidifying potential than many ammonium-based Nitrogen fertilisers
- Store in a cool, dry place away from moisture
- Keep bag sealed when not in use
- Only available to commercial customers
- Size 2-4mm Prilled
Includes
1 x Calcium Nitrate Granular 25kg Bag
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