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A pale blue powder, crystalline or granular material
• Often mixed with fertiliser, also used for foliar application (preferably with a suitable sticking agent).
• Copper supplement for the prevention and treatment of copper deficiency.
• Suitable for oral daily drenching, addition to the drinking water or addition to supplementary feed.
98% Copper Sulphate Pentahydrate - 25% elemental copper
Copper Sulphate is hygroscopic and may not mix well with granular NPK fertilisers while mixing with superphosphate may produce insoluble compounds with low copper availability.
Fertiliser for pasture
Copper Sulphate can be added to fertiliser and applied directly to pasture to elevate herbage copper concentrations. For sheep and cattle, rates are 5kg/ha annually in autumn. For deer rates are 12kg/ha annually in autumn. Copper takes at least a month to get into herbage through the fertiliser so to ensure adequate levels have been reached in the herbage, test the herbage 4-6 weeks after application.
Fertiliser for crops
Copper Sulphate can be applied directly to soil pre-sowing at 5kg/ha, which may result in a long-term residual effect. Under dryland cereal cropping, broadcast application of Copper Sulphate may be ineffective due to low soil moisture. Foliar applications need to be made with caution, as it is extremely toxic. Thus it is advisable to dilute to 0.75-1.0 kg/ha in 200 litres of water and repeat to avoid toxicity. These applications are proving to be most effective when applied at the mid to late tillering stage.
Copper Sulphate can be administered as an oral drench, through the drinking water or added to supplementary feed. For dose rates please consult your animal health adviser. It can also be dissolved in water and sprayed onto pasture as a foliar application, at a rate of 2kg/ha. Foliar application should be done in the autumn, winter or early spring, as these are the periods of peak requirement. The foliar application can also be applied at the same rate to pasture that is due to be cut, or has just be cut, for hay, silage or baleage.
Copper Sulphate is hygroscopic, therefore may not mix well with granular NPK fertilisers while mixing with superphosphate may produce insoluble compounds with low copper availability.
Copper Sulphate can be mixed with most other oral nutritional animal health products. It is soluble in water so can be administered through the drinking water, however it can be corrosive to machinery so check with your equipment supplier first.
Do not administer to animals at the same time as using high doses of zinc for facial eczema prevention (North Island only), as copper supplementation may interfere with the protective effects of zinc.
• Copper Sulphate is mildly irritant, so care should be taken to avoid contact with eyes.
• Store in a cool, dry covered facility, and ensure that the bag is closed properly after use.