Discuss eight problems which an agricultural extension worker can face in the discharge of his duties.

List and discuss four functions of a farm manager in a farm business.

Discuss briefly the ways in which the following factors contribute to the problems of agricultural development in Nigeria: (a) finance; (b) farm input; (c) transportation; (d) storage and processing facilities.

(a) State two functions of a cultivator. (b) Name five tools or implements for each of the following farm processes: (i) land preparation; (ii) planting (iii) harvesting; (iv) crop processing (c) Give four reasons why farmers cultivate small holdings.

(a) What is rock weathering? (b) State four factors that affect formation of soil. (c) Explain briefly four types of chemical weathering.