com/_ylt=AwrNZ07icm9kcawIvKhXNyoA;_ylu=Y29sbwNiZjEEcG9zAzMEdnRpZAMEc2VjA3Ny/RV=2/RE=1685054307/RO=10/RU=https%3a%2f%2fgrow. Like any essential nutrient, sulphur also has some key functions in plants: Formation of chlorophyll that permits photosynthesis through which plants produce starch, sugars, oils, fats, vitamins and other compounds.