Physical Description:
Calcium nitrate is available as a white granule product.
Uses:
This product can be used as a solid fertiliser for side dressing to high value horticultural crops such as market gardens and berryfruit crops. As this product is highly soluble, it can also be used for fertigation as a source of calcium and nitrate-nitrogen for high value horticultural crops. The nitrate-nitrogen is immediately available for plant uptake, while the calcium is provided in a readily soluble form. Some pipfruit growers also use Calcium Nitrate as a source of calcium for the first two foliar applications in November, followed by several applications of Calcium Chloride, to help reduce the incidence of bitter pit, a calcium deficiency disorder in apples.
Benefits:
Calcium nitrate contains a high percentage of nitrate-nitrogen, which makes this one of the most cost effective nitrate-nitrogen sources for fertigation. This product is ideal for glasshouse and outdoor fertigation programmes. When applied as a solid, there is no risk of losing any of the N as ammonia gas due to all the nitrogen being in the nitrate form.
Application:
Side dressings of calcium nitrate are made to market garden crops and berryfruit crops at rates of up to 200kg/ha. Rates for fertigation will depend on the crop, soil type and soil fertility.
Storage & Handling:
As with most solid fertilisers, Calcium Nitrate can be stored over a season as long as it is kept in a cool, dry, well ventilated area.