List and discuss briefly eight factors that militate against the developement of commercial agriculture in Nigeria.

(a) What does mechaniztion mean in Agriculture?

(b) What are the advantages and disadvantages of mechanization?

(c) State and discuss briefly four limitations of mechanization in Agriculture?

Write short notes on the effects of the following farm practices on soil: (a) bush burning, (b) fertlizer application (c) grazing (d) crop rotation

(a) State six major uses of land in Nigeria (b) Discuss briefly five factors affecting land availablility for agricultural production

(a) List ten common grass and legume species of Nigerian pastures giving their common and botanical names.

(b) Discuss three factors affecting the distribution of pastures in Nigeria