OBJECTIVE FORESTRY

FORESTRY

SOIL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is not a primary macronutrient?
A
Calcium
B
Nitrogen
C
Potassium
D
Phosphorus
Explanation: 

Detailed explanation-1: -Calcium is an essential macronutrient in plants, with concentrations in the shoot ranging from 0.1 to over 5% of dry wt (Marschner, 1995; White and Broadley, 2003). It thereby exhibits a dual function, both as a structural component of cell walls and membranes and as intracellular second messenger.

Detailed explanation-2: -Final answer: Chlorine is not a macronutrient.

Detailed explanation-3: -Calcium, iron, vitamins, iron, minerals, and vitamin C are all micronutrients. Macronutrients are nutrients that are required in large amounts. Humans require three macronutrients: carbohydrates (sugar), lipids (fats), and proteins.

There is 1 question to complete.