3 Causes of Chlorosis in Trees

Yellow trees against autumn skies are a beautiful sight. But yellow trees year round are a sign of unhealthiness and decline. While drought, pests, and chemical burns can cause non-seasonal leaf yellowing, one of the most common causes for this is chlorosis. What is Chlorosis? Chlorosis is leaf yellowing from chlorophyll loss. Chlorophyll is the green pigment that enables trees to convert sunlight into sugars. To make chlorophyll, trees need sufficient quantities of nutrients like magnesium, iron, and nitrogen. Without these, leaves gradually lose chlorophyll and eventually starve the tree. Some of the most common nutrient deficiencies are iron and...

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