(a) What is meant by agricultural extension ? (b) Discuss briefly how the following can be used disseminating new idea and techniques to farmers in Nigeria. (i) mass media; (ii) individual method; (iii) group method

Define farm records and farm accounts. (b) Give seven reasons for keeping such records.

a) Describe five factors required for establishing a fish pond (b) Enumerate six management practices for maintain-rig high fish yield

The diagram below illustrates a spring tined cultivator or harrow

(a) For what type of farm operation is the implement used?

(b) Name the implement used:
(i) before the spring tined harrow is required;
(ii) after its operation.

(c) Explain how the vertical stalk helps the tine to overcome the obstruction.

(d) State five maintenance methods for the implement

(e) After the cultivator has worked on the soil, what changes will occur in the following:
(i) soil structure
(ii) soil texture

The diagram illustrates a pH scale.

(a) Comment on the pH status of a sample of soil as indicated by the reading of the pointer.

(b) State three factors responsible for alkalinity in the soil.

(c) Mention three factors responsible for acidity in the soil

(d) State two corrective measures of removing alkalinity in the soil.

(e) List five liming materials.