A farm business makes profit when

Marginal cost of production is defined as

The price of a fixed asset at the end of its useful life is called

Which of the following criteria are used in selecting agricultural extension teaching methods? I. time available for the programme II. the number of farmers involved III. The agricultural needs of the farmers

 (a) Explain what is meant by subsistence agriculture. (2 marks) 

(b) Discuss briefly the interdependence of  agriculture and industry under the following headings?

(i) tools, implements and machinery industries; (ii) processing industries (iii) Agro-chemical industries (6 marks)

(c) What is farm surveying? (2 marks) (ii) With the aid of a diagram, explain the use of the 3, 4, 5 method in farm survey. ( 6 marks)