A farmer whose production exceeds point C will experience

A total of 12,000kg of maize was demanded at N20 per kg while 8,000kg of it was demanded at N30 per kg. What is the percentage change in quantity demanded?

A cost effective way of disseminating urgent information to a large number of farmers at the same time is through?

(a) Discuss two possible solutions to each of the following problems of agricultural development in Africa:

(i) Poor transportation

(i) Environmental degradation

(ii) Use of crude farm tools.

(b) State three precautions that should be taken when using each of the following types of farm power:

(i) Animal power

(ii) Electrical power.

(c) Enumerate six reasons for maintaining farm tools and implements.

(a) Explain the following terms used in agricultural ecology:

(i) Soil texture

(ii) Soil profile.

(b) (i) Discuss three advantages of grafting.

(ii) Mention two crops that could be propagated by grafting.

(c) State four cultural practices that could be used to replenish nutrients in the soil.

(d) List four measures that could be adopted by farmers to control pests in grain stores.