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:The cross-section of a segment of soil showing the…A soil may be called as alkaline when the pH of the…A vertical section through the soil is referred to as soil? In the determination of soil texture, a soil…A fresh soil sample of mass 180 g had a mass of 120…