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Plants require sulphur for the production of chlorophyll. It is a constituent of proteins and enzymes. Plants are rarely deficient in this nutrient.

Symptoms of deficiency[edit]

Chlorosis – younger leaves first[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