Sixteen nutrients are essential for

Answer: Option C

Sixteen nutrients are essential for all crops to grow well, develop, reproduce and remain healthy.
Carbon, hydrogen and oxygen are extracted from air and water to make up the bulk of plant weight.
Nitrogen, phosphorus and potassium, are primarily essential nutrients that are very crucial for the survival of the plant.
Calcium, magnesium, Sulphur, Boron, chlorine, copper, iron, manganese, molybdenum and zinc.