Which of the following problems of agriculture could be solved through farmers' adoption of research findings?

a. State the roles of government of West African countries in agricultural development on (i) Agricultural finance. (ii) Agricultural education (iii) Agricultural extension services  (iv) Agricultural policies and programmes services
b. State structural differences between disc plough and disc harrow
c. State the effects of the frequent use of disc plough on the soil.

a. State the roles played by the following factors in soil formation (i)Time (ii) Rainfall (iii) parent material
b. Principles which should be followed in a good crop rotation plan |
c. Uses of forage crops

a. i. Explanation of selective exploitation as used in forest management.
ii. Advantages of selective exploitation of forest trees
b. Distinction between field pests and storage pests of crops
c. I.Examples of storage insect pests of crops
    ii. Examples of field insect pests of crops
d. Ways of conserving water in the soil 

a. Reasons why farm operations are important on (i) Prunning of cocoa trees (ii) parboiling of paddy rice
b. Ways of eradicating guinea grass in a farmland
c. uses of ornamental plants