a condition in which the supply or availability of an essential element results in cessation of critical plant processes. resulting in visible. physical symptoms such as chlorotic leaves or necrotic margins. and which. if left untreated. will reduce tree health and may eventually lead to premature death.

Nutrient deficiency may refer to:

  • Malnutrition, a condition in animals that results from a diet deficient in calories and/or essential nutrients
  • Micronutrient deficiency, a lack of one or more of the micronutrients required for plant or animal health
    • Avitaminosis, any disease caused by chronic or long-term vitamin deficiency or caused by a defect in metabolic conversion
    • Mineral deficiency, a lack of dietary minerals that are needed for an organism's proper health
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