Boron is used to make calcium available within plants. Boron is involved with the movement of sugars and synthesis of gibberellins (plant hormones).

Symptoms of deficiencyEdit

Leaves misshapen and fruit malformed Flowering suppressed Examples are corky corein apples and brown heart in turnips[1].


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Mineral nutrients
Primary macronutrients Nitrogen · Phosphorus · Potassium
Secondary macronutrients Calcium · Magnesium · Sulphur
Micronutrients Boron · Chloride · Copper · Iron · Manganese · Molybdenum · Zinc