[WASSCE BECE NOVDEC NABPTEX 0547316472]

1. (a) State four advantages of farm mechanization

(b) (i) Distinguish between trailed agricultural implements and fully mounted agricultural implements.

(ii) Give two examples of each type of implement mentioned in

(b) (i). (c) List four benefits of irrigation

2.(a).Enumerate eight problems of agricultural development in West Africa.

(b) Explain how each of the following factors affects the choice of agricultural systems:

(i) Population density;

(ii) Vegetation

(c) State four reasons for wildlife conservation

3. (a) Explain the term soil erosion

(b) Describe the following types of soil erosion

(i) sheet erosion

(ii) gully erosion

(c) Explain four cultural practices that could be used to control soil erosion

(d) List four sources of plant nutrients

4. (a) What is soil reaction?

(b) (i) Explain any two causes of soil acidity.

(ii) Outline three effects of liming on soil.

(c) State four functions of organic matter

5. (a) Discuss four problem of livestock production in West Africa

(b) State two benefits of the following practices:

(i) artificial insemination

(ii) dipping

(ii) Dehorning

(iii) Castration

6. (a) State six effects of disease on crop production

(b) Discuss the swollen shoot disease of cocoa under the following headings:

(i) causal agent;

(ii) mode of transmission

(iii) two symptoms;

(iv) Two preventive and control measures

(c) Distinguish between a field pest and storage pest giving two examples in each case.

7. (a) (i) What is agricultural credit?

(ii) Explain four conditions which farmers must satisfy for bank credit

(b) (i) Explain the term farm accounts

(ii) State four reasons for keeping farm accounts

8. (a) (i) Explain the term marketing channel

(ii) Give an example of a marketing channel for maize

(b) Discuss four factors that influence the supply of agricultural produce.

(c) List four characteristics of agricultural extension education