Which nutrient element determines the quality of produce?

Answer: Option B

Potassium is the nutrient element that determines the quality of produce.
Potassium is one of the essential macronutrients for plant growth. It is an activator of dozen of enzymes, such as protein synthesis, sugar transport, N and C metabolism and photosynthesis. Potassium is associated with the movement of water, nutrients and carbohydrates in plant tissue.