(a) Highlight five roles of agricultural extension in agricultural development in West Africa. [5 marks]

 (b) Outline four problems faced by agricultural extension workers in West Africa. [4 marks] 

(c) Discuss the cultivation of groundnut under the following headings: (i) soil requirements (ii) method of propagation: (iii) two methods of storage [5 marks]

 (d) Mention two field pests and two storage pests of maize. [4 marks] ,