The soil nutrient which is important as a constituent of plant proteins and hormones is? by Sunday | Jul 7 | Agricultural Science WAEC | 0 comments A. calcium B. magnesium C. iron D. potassium E. sulphur Correct Answer: Option E – sulphur Users Also Read These:Which of the following nutrient element is a micro-nutrient?The most common soil mineral found in all…Nutrient replenishment in soil can be enhanced by?Which of the following is not regarded as a…The nutrient content of soil may be influenced by…