Skip to main content
    We use cookies

    Calcium Nitrate Fertilizer

    Ca(NO3)2·4H2O

    Product Overview

    Water-soluble calcium nitrate — 15.5% N, 26.5% CaO — the standard calcium and nitrate-nitrogen source for fertigation of tomatoes, cucumbers, and greenhouse crops.

    Detailed Description

    Calcium Nitrate (15.5% N, 26.5% CaO) is the standard calcium fertilizer for greenhouse and open-field horticulture across Oman — essential for preventing blossom-end rot in tomatoes and peppers, tip-burn in lettuce, and bitter pit in fruit. As the only widely-available calcium source fully compatible with fertigation, it dissolves clearly, delivers nitrate-nitrogen (preferred over ammonium in high-pH substrates), and supports strong cell wall structure. Supplied by Global Chemicals LLC in 25 kg bags for greenhouse growers in Nizwa, Barka, and across Al Batinah.

    Also Known As:

    Calcium nitrate tetrahydrate, CN, Nitrogen calcium fertilizer, Norwegian saltpeter

    CAS Number:13477-34-4

    Applications & Uses

    Tomato, pepper, and cucumber fertigation
    Blossom-end rot and tip-burn prevention
    Foliar calcium spray for fruit quality
    Lettuce, cabbage, and brassica calcium supply
    Hydroponic Stock A tank formulation

    Technical Specifications

    Nitrogen (N): 15.5% (14.4% nitrate-N, 1.1% ammonium-N)
    Calcium oxide (CaO): 26.5%
    Water solubility: 1,290 g/L at 20°C
    Insolubles: <0.05%
    Packaging: 25 kg bag, 1,000 kg big bag
    ISO 9001 Certified Fast Delivery Oman & GCC Export

    Request a Quote

    Get pricing, availability, and technical specifications for Calcium Nitrate Fertilizer. Our team responds within 24 hours.