Which of the following crops cannot be easily improved by cross-breeding? by Sunday | Jul 9 | Agricultural Science WAEC | 0 comments A. groundnut B. cowpea C. oil palm D. maize E. yam Correct Answer: Option E – yam Users Also Read These:In crop rotation, deep-rooted crops should follow…Which of the following methods of plant propagation…A rock in which water cannot easily pass through is termed?Which of the following crops can be referred to as…Which of the following factors should be considered…