Description : What are macronutrients or macro elements ?
Last Answer : The elements that are required for the normal growth of plants in large quantities are called macronutrients or macro elements. There are 09 macronutrients , namely: Nitrogen ( N), Potassium ( K), Phosphorus ( P), Calcium ( Ca), ... Mg), Carbon ( C), Hydrogen ( H), Oxygen ( O) and Sulfur ( S ). ) .