The correct option is C Potassium
∙ Plants require nutrients for their growth and development. They absorb most of the nutrients from soil in dissolved forms.
∙ Some nutrients are required in small quantities, named micronutrients while some are required in large amounts and are known as macronutrients.
∙ Molybdenum, Manganese and zinc are examples of micronutrients whereas potassium is an important macronutrient which enhances the smell, colour and taste of fruit.