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Tag archive: copper

Can trace elements improve frost tolerance?

published - 18 July 2019
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Hungry crops are more susceptible to frost damage. The best approach is to meet the crop’s nutrition needs. This gives the crop the best overall chance of dealing with stress, including frost.  How do nutrients help? Crops develop stronger cell walls when they have enough copper (Cu) and manganese (Mn). […]

What is the best way to apply trace elements?

published - 26 June 2019
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For a short-term fix, a foliar spray is the easiest, cheapest, and a reliable way to apply trace elements to crops. There are also options to help build soil reserves for future crops.  Zinc (Zn) For a minor deficiency and/or in a known Zn-deficient paddock, Zn seed dressings can supply […]

Frost damage and copper deficiency just look similar

published - 31 October 2017
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leaves showing damage and rolling of leaf tip

Crop damage caused by frost looks a lot like copper deficiency. Leaf damage extends back from the tip of the leaf. Damage to seed heads can be easily confused too. Other than similar symptoms, there’s little evidence yet to link frost and copper deficiency. The location of damage can help […]

Be alert for signs of nutrient deficiencies

published - 2 September 2014
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Now is a good time of year to look for unusual symptoms in your crops that could indicate possible nutrient deficiencies. As Mark Conyers’ says, “Sometimes the best fertiliser is the shadow of the farmer”, so keep your eyes open while going around your crops. Things like poor growth or […]