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.

Describe briefly the effects of the following farming practices on the soil; (a) bush burning; (b) overgrazing; (c) clean clearing; (d) fertilizer application.

State two symptoms and two control measures of the following plant diseases: (a) cassava mosaic; (b) groundnut rosettes; (c) root-knot of okra; (d) bacterial blight of cotton