(a) Describe briefly six ways in which soil organisms aid the formation of soils. (b) State four ways in which soil organisms improve soils for crops growth.

Describe briefly the production of cowpea under the following headings; (a) land preparation; (b) planting; (c) fertilizer application; (d) weeding; (e) harvesting; (f) processing; (g) storage.

(a) State six aims of crop improvement. (b) Explain briefly 'introduction' as a method of crop improvement.

(a) List four breeds of goats. (b) Discuss briefly the extensive system of rearing any ruminant. (c) State three reasons for rearing goats. (d) List three common diseases of cattle.

(a) State six functions of protein in the body of a farm animal. (b) List five (i) animal- protein; (ii) plant-protein sources used in livestock feeding.