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    NUTRIENT:

    NICKEL

    Nickel (Ni) was added to the list of essential plant nutrients late in the 20th century.

    Nickel Absorption

    Plants absorb Ni as the divalent cation Ni⁺². It is required in very small amounts, with the critical level appearing to be about 1.1 parts per million.

    Crop Deficiencies

    No Nickel deficiencies have been observed under crop-growing conditions, but in crop research settings, ag scientists have reproduced deficiency symptoms such as chlorosis of young leaves and dead meristematic tissue.

    Tree Deficiencies

    Nickel deficiency has been observed in some nursery plants and tree crops. Affected trees develop mouse-ear, a condition marked by small, curled leaves and stunted growth.

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    Plant Nitrogen (N) Metabolism

    Nickel is a component of the urease enzyme and is, therefore, necessary for the conversion of urea to ammonia (NH₃) in plant tissue, making it important in plant nitrogen (N) metabolism.

      • Crop Deficiencies

        No Nickel deficiencies have been observed under crop-growing conditions, but in crop research settings, ag scientists have reproduced deficiency symptoms such as chlorosis of young leaves and dead meristematic tissue.

      • Tree Deficiencies

        Nickel deficiency has been observed in some nursery plants and tree crops. Affected trees develop mouse-ear, a condition marked by small, curled leaves and stunted growth.

      • Plant Nitrogen (N) Metabolism

        Nickel is a component of the urease enzyme and is, therefore, necessary for the conversion of urea to ammonia (NH₃) in plant tissue, making it important in plant nitrogen (N) metabolism.

      Nickel deficiency symptoms

      Symptoms of deficiency can vary across crop species, but similarities exist for how nutrient insufficiency impacts plant tissue color and appearance. Nutrient deficiencies are commonly associated with the physical location on the plant (i.e., whether the symptoms are primarily observed on older versus newly formed plant tissue), but these symptoms can spread as the severity of the deficiency progresses.

      Looking to dig deeper into nickel?

      Browse the Resource Library for nickel-related articles, research insights and more.

      Resource Library