Which of the following is a soil micro-nutrient? by Sunday | Jul 5 | Agricultural Science WAEC | 0 comments A. magnesium B. potassium C. calcium D. iron E. phosphorus Correct Answer: Option D – iron Users Also Read These:A soil may be called as alkaline when the pH of the…Water which rises above the water table in the soil…The relative proportion of each fraction of soil in…A fresh soil sample of mass 180 g had a mass of 120…Which of the following is not a micronutrient?