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Tag archive: frost

Podcast outlines the importance of K

In a recent GRDC Communities Crop Nutrition podcast, Dr Richard Bell from Murdoch University explained the importance of potassium (K) for optimal plant growth and reducing the effects of stressors such as drought, frost and salinity. K is second only to nitrogen in importance for crop growth. Many soils in […]

Can trace elements improve frost tolerance?

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). […]

Frost damage and copper deficiency just look similar

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 […]

In tough conditions crops do better with potassium

Having sufficient potassium reduces crop damage in frost events. Field trials in Western Australia showed benefits from potassium in wheat and canola. Richard Bell is a researcher at Murdoch University. In this video he explains: Crops respond more to potassium fertiliser in seasons that stress the plants with drought or […]

Potassium and crop stress

Crops may need extra Potassium when they under stress from drought or frost. There is a theoretical basis, and now GRDC funded research is looking into whether applying additional potassium is worthwhile when plants are under stress. Getting the right combination of drought and frost conditions to get meaningful results […]