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 removal of top soil from a small area of soil…Water which rises above the water table in the soil… In the determination of soil texture, a soil…The fertility of the soil is an important factor in…The most obvious physical feature that distinguishes…