(a) Differentiate between land ownership by leasehold and land ownership by freehold. [ 2 marks ]
(b) Mention five ways in which non-governmental organizations contribute to agricultural
development in West Africa. [ 5 marks ]
(c) State four ways in which rural-urban migration has hindered agricultural development in West Africa. [ 4 marks ]
(d) Mention three socio-economic uses of land. [ 3 marks ]
(e) Explain two ways by which each of the following environmental factors affect agricultural production:
(a) State two advantages and two disadvantages of using biogas as a source of farm power. [ 4 marks ]
(b) Mention eight simple farm tools. [ 4 marks ]
(c) List two common storage structures and two processing structures that could be found on a farmstead in West Africa. [ 4 marks ]
(d) Explain the term denitrification. [ 2 marks ]
(e) Describe the following components of the soil:
(i) mineral matter;
(ii) organic matter. [ 4 marks ]
(a) Describe the cultivation of Cowpea under the headings:
(i) soil requirement;
(ii) method of propagation;
(iii) spacing [ 3 marks ]
(b) Name one disease and two field pests of Cowpea. [ 3 marks ]
(c) State four cultural methods of controlling crop pests. [ 4 marks ]
(d) State four human activities that promote deforestation in West Africa. [ 4 marks ]
(e) Describe each of the following agro-forestry practices:
(i) alley cropping;
(ii) ley farming. [ 4 marks ]
