Yellow colouration of the lower leave of a growing maize plant may be due to deficiency in? by Sunday | Jan 22 | Agricultural Science WAEC | 0 comments A. potassium B. phosphorus C. zinc D. nitrogen Correct Answer: Option D D. nitrogen Users Also Read These:The lower and upper fixed points marked on a…A yellow maize is crossed with a white maize and the…The deficiency of nitrogen in a maize plant can be…In a complete dominance monohybrid cross between a…The stunted growth of a leguminous plant suffering…