Write short notes on the following in agricultural production. (a) land: (b) capital, (c) labour (d) farm manager. 

(a) Define the terms demand and supply and state the law governing them. (b) Explain the implications of demand and supply on agricultural production

(a) List six problems of agricultural development in Nigeria

(b) State five possible solutions to the problems of agricultural development listed in (a).

(c) Explain five ways in which inadequate storage and processing facilities have affected agricultural development in Nigeria.

Write short notes on each of the following: (a) tractors; (b) incubators; (c) sprayers, (d) shelters

With the aid of a labelled diagram, describe briefly the nitrogen cycle.