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What is Potassium Deficiency in Citrus Fruits about?

Potassium deficiency in citrus trees causes yellow-bronze chlorosis and leaf curling, especially in lemons. Leaf analysis is important for diagnosis, with deficiency defined as less than 0.7% potassium in 5-7 month old leaves. Potassium levels influence yield, fruit size and quality. For oranges and lemons, fruit size increases up to 1.2-1.3% leaf potassium while yield is reduced below 0.7%. Effects on fruit quality vary by crop.

Author

majdyt

Language

EN