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Nitrophoska Extra + Kieserite is a blended fertiliser powered by Crop 12-4-14. This blend has a very even granule size with sizing >95% 2-5mm, ensuring good spreading characteristics. The colour of this blend is a mixture of cream and blue particles.
Although Nitrophoska Extra + Kieserite generally mixes well with other products, it is not compatible with Magnesium Oxide. Nitrophoska Extra + Kieserite can be compatible with Dry Lime, but may also give off ammonia gas.
Segregation may occur when mixed with products of different particle size.
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Mainly used as a kiwifruit side dressing just before flowering
Used for crops requiring a higher level of magnesium in the soluble kieserite form
The magnesium present is water soluble Kieserite so is readily available to the plants
Meets the plants demand for nutrient and replenishes the soil solution at flowering and early fruit-set
Contains a full range of trace elements as well as magnesium and calcium
Nitrophoska Extra + Kieserite provides a balanced NPKS fertiliser that meets the plants demand for nutrient and replenishes the soil solution at flowering and early fruit-set.
It also aims to achieve the best potassium:calcium+magnesium balance in young developing fruit, while providing adequate nitrogen & potassium for autumn leaf integrity and photosynthetic efficiency. Kieserite is a very water soluble form of magnesium so become plant available very quickly.
Nitrophoska Extra + Kieserite also contains a range of trace elements (Iron 385ppm approx, Boron 154ppm approx, Zinc 77ppm approx).
Nitrophoska Extra + Kieserite is mainly used as a kiwifruit side dressing just before flowering. It also may be used for crops that require a higher level of magnesium in the soluble kieserite form.
A normal pre-flowering side dressing on Green Kiwifruit in the Bay of Plenty is 325kg/ha.
Actual spreading rates will vary according to farm type, climate, productivity, soil type and crop type. Soil testing and fertiliser plans are available to ensure you use the right product at the correct rate. Call our Customer Centre for information.
As with most solid fertilisers, Nitrophoska Extra + Kieserite can be stored over a season as long as it is kept in a cool, dry, well ventilated area. Store bags in a dry place,ensuring they are tightly sealed.