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    NUTRIENT:

    NITROGEN

    Nitrogen (N) is essential for plant growth and is part of every living cell. It plays many roles in plants and is necessary for chlorophyll synthesis.

    Macronutrient Uptake

    Plants take up most of their N as the ammonium (NH₄⁺) or nitrate (NO₃⁻) ion. Some direct absorption of urea can occur through the leaves, and small amounts of N are obtained from materials such as water-soluble amino acids.

    Increasing Protein Content

    Nitrogen is a component of vitamins, amino acids and energy systems within the plant, which form its proteins. Thus, N is directly responsible for increasing protein content in plants.

    Nutrient Uptake

    Lack of N and chlorophyll means the plant will not utilize sunlight as an energy source to carry on essential functions such as nutrient uptake.

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    Photosynthesis

    Nitrogen is necessary for chlorophyll synthesis and, as a part of chlorophyll molecules, is involved in photosynthesis.

    Mobility

    Nitrate is very mobile in the soil and moves with soil water to root surfaces for plant absorption.

      • Increasing Protein Content

        Nitrogen is a component of vitamins, amino acids and energy systems within the plant, which form its proteins. Thus, N is directly responsible for increasing protein content in plants.

      • Nutrient Uptake

        Lack of N and chlorophyll means the plant will not utilize sunlight as an energy source to carry on essential functions such as nutrient uptake.

      • Photosynthesis

        Nitrogen is necessary for chlorophyll synthesis and, as a part of chlorophyll molecules, is involved in photosynthesis.

      • Mobility

        Nitrate is very mobile in the soil and moves with soil water to root surfaces for plant absorption.

      Nitrogen 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 nitrogen?

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

      Resource Library