Citrus trees, such as this lemon, benefit from fertilization. The major nutrient requirement for citrus trees is nitrogen.
Citrus trees, such as this lemon, benefit from fertilization. The major nutrient requirement for citrus trees is nitrogen. Getty Images
Citrus trees, such as this lemon, benefit from fertilization. The major nutrient requirement for citrus trees is nitrogen. Getty Images

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August 13, 2014 8:57 AM

Learn how to grow and maintain citrus, avocado

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