(a) State four effects of feed shortage on animal production. (b) List four areas of specialization in agriculture, and state two contributions of each to agricultural development. 

(a) State eight reasons why agriculture has not been fully mechanized in West Africa. (b) List four characteristics of: (i) subsistence agriculture (ii) commercial agriculture.

(a) Define land. (b) State the two major classifications of land based on uses and give two examples in each case. (c) List six factors that influence the availability of land for agricultural production and explain two of the factors.

(a) State three methods of irrigating a small nursery. (b) Enumerate three factors to be considered in the choice of each of: (i) surface irrigation method (ii) sub-surface irrigation method. (c) .State two advantages of subsurface irrigation (d) Enumerate five ways by which the build-up of diseases could be reduced on an irrigated farm. 

Discuss the following practices in crop production: (a) transplanting (b) shading (c) supplying filling-in (d) nursery.