The document provides questions for an exam on agricultural topics. It asks the test taker to answer any three of the following questions: 1) Define the term "photoperiodism" and name two crops affected by it. 2) Describe two fertilizer application methods and give an example crop for each. 3) Explain how organic manure improves soil fertility in three ways and how soil fertility can be affected by waterlogged conditions in three ways. Also explain three benefits of applying lime to soil. The questions cover additional topics like propagation techniques, land preparation best practices, land capability classes, vegetable crop management during different rainfall periods, seedbed preparation activities, growing mediums and benefits of

1. Answer ANY THREE questions.
(a) (i) what is meant by the term ‘photoperiodism’?
(ii) Name TWO crops that are affected by photoperiodism.
(b) Describe TWO methods of applying fertilisers to crops. For EACH method, give
an example of a crop to which the fertilizer is applied.
(c) Explain EACH of the following:
(i) THREE methods by which organic manure improves soil fertility.
(ii) THREE ways in which soil fertility may be affected by water-logged
conditions.
(iii) THREE benefits of applying lime to the soil.
Total 25 marks
(a) (i) list FOUR techniques which may be used in the vegetative propagation of
ornamental plants.
(ii) Explain THREE advantages of vegetative propagation.
(b) Farmer rosy, on checking her yam field, notices that the growth of her crop is
very poor. The extension officer informs her that the problem is due to improper land preparation
and improper selection and treatment of the yam planting materials.
Advise farmer rosy on the proper management practices that must be done for EACH of the
following activities:
(i) Land preparation
(ii) Selection and treatment of planting material.
Total 25 marks

2. (a) (i) Define the term ‘ land capability class’.
(ii) List FOUR land capability classes.
Describe ONE characteristic of EACH land capability class listed in (a) (ii) above.
(b) Table 1 shows rainfall data, collected from the meteorological Division, for a Caribbean
country over the last first year.
Table 1
Period Conditions
January to may
June to September
October to December
Very dry; scarce rainfall
Extremely wet; very heavy rainfall
Moderately wet; moderate rainfall
Farmer Williams wants to plant vegetables. Advise the farmer on THREE management practices
that must be done during EACH of the following time periods:
(i) January to may
(ii) June to September
Total 25 marks
(a) Name FOUR activities involved in the preparation of seed bed for seedling production.
(b) (i) Name TWO types of mediums that may be used in the cultivation of anthodium’s.
(ii) Explain TWO benefits of the use of shade when cultivating anthodium’s.
(c) With reference to the effects on plants, discuss THREE types of damage that insects may
cause. Give examples to support your answer.
(b) Explain THREE ways in which farmers can reduce the use of chemical pesticides when
cultivating crops.
Total 25 marks