(a) Using the table below, classify the following crops based on their life cycle.
|
Crop |
Classification based on life cycle |
|
Mango |
|
|
Rice |
|
|
Groundnut |
|
|
Cotton |
|
|
Pepper |
|
|
Soya bean |
|
|
Oil palm |
|
|
Yam |
|
|
Tomato |
|
|
Rubber |
|
|
Ginger |
|
|
Cocoa |
|
|
Cowpea |
|
|
Carrot |
|
(b) List four components of a typical soil with their percentage volume.
|
Soil component |
Percentage volume |
|
(i) |
|
|
(ii) |
|
|
(iii) |
|
|
(iv) |
|
(c) State three methods of applying inorganic fertilizers to the soil.
(a) Distinguish between spacing and thinning in crop production.
(b) Discuss the cultivation of oil palm under the following headings:
(i) botanical name;
(ii) two varieties;
(iii) method of propagation;
(iv) soil requirement;
(v) spacing on the field;
(vi) Diseases.
(c) Enumerate six ways in which forest resources are important to the economy of West Africa.
(d) What is apiculture?
a) Explain each of the following terms as used in animal production:
(i) flushing;
(ii) castration;
(iii) culling.
(b) Mention two advantages of each of the terms in 5 (a).
(i) Flushing;
(ii) Castration;
(iii) Culling.
(c) Give two uses of each of the following survey equipment:
(i) prismatic compass;
(ii) measuring tape.
(d) Differentiate between the terms floriculture and aquaculture.
(a) A farmer purchased a tractor in the year 2000 for D 12, 000.00. In 2009, the tractor was
sold for D 3,000.00 as it was no longer economical to keep. Calculate the:
(i) useful life of the tractor;
(ii) salvage value of the tractor;
(iii) total depreciation of the tractor;
(iv) annual depreciation of the tractor.
(b) Describe the following terms as used in agricultural economics:
(i) demand schedule;
(ii) supply curve.
(c) List four agricultural extension agencies in West Africa.
(d) State four ways through which soils are enriched with nitrogen.
The diagram below illustrates an experimental set-up in soil analysis. Study it carefully and answer the questions that follow.
(a) State the aim of the illustrated experiment.
(b) Name the part labelled I, II, III and IV.
(c) A fresh sample of soil weighed 60 g. A container weighing 35 g was used to dry the soil. If both the soil and the container weighed 80 g after the experiment, determine the:
(i) weight of the dried soil;
(ii) weight of the water lost from the soil;
(iii) percentage of water lost from the soil.
(d) List three forms in which water exists in the soil.
