Avan Ca-B, organic content: calcium oxide 10.5% (w/v) + boron 2.5% (w/v) + organic matter 15.03% (w/v). A liquid fertilizer containing calcium and boron to raise absorption efficiency, used to support crop development at all stages and in cases of deficiency, and to boost flowering and fruit set. Application rate: 1g per litre. Pack size: 1L.
Usage tips
- Use at the stated rate and per the pack directions, or as advised by an agricultural specialist.
- Apply in the early morning or evening, avoiding the hottest hours.
- Do not mix with other products before checking compatibility.
- Store in a cool, dry place away from sunlight and out of reach of children.
Available from Zahrat Al Arjwan Nursery in Manah, Oman. Delivery available across Oman and to GCC countries. Need help choosing? Message us on WhatsApp for free agricultural advice.


![Humi[K] WSP Humic Fertilizer – Zahrat Al Arjwan](https://z-alarjwan.com/wp-content/uploads/2026/08/ARJ-FER-029-300x300.jpg)



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