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Principles Of Crop Production Question Paper

Principles Of Crop Production

Course:Bachelor Of Science

Institution: Kenyatta University question papers

Exam Year:2010

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2010/2011
INSTITUTIONAL BASED PROGRAMME (IBP) AUGUST 2010 SESSION
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE
KCU 201:
PRINCIPLES OF CROP PRODUCTION

DATE: Thursday 30th December, 2010

TIME: 11.00 a.m. – 1.00 p.m.
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INSTRUCTIONS:
Answer ALL questions in Section A and TWO questions in Section B

SECTION A: ANSWER ALL QUESTIONS (40 MARKS)

1.
Explain the functions of water in plant growth.

(5 marks)
2.
Define the term “soil nutrient export” and briefly explain its significance in soil fertility
management.

(5 marks)
3.
Distinguish between physical and chemical weathering.

(5 marks)
4.
Briefly discuss integrated pest management.

(5 marks)
5.
Explain the difference between:

(i)
Sexual and asexual reproduction.

(2.5 marks)

(ii)
Systemic and contact fungicides.

(2.5 marks)
6.
Deep ploughing is necessary for re-balancing nutrients in the eluvial and illuvial soil
horizons. Discuss briefly.

(5 marks)
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7.
Explain why the green lush appearance of natural tropical vegetations is not an accurate
indicator of soil fertility.

(5 marks)
8.
Describe the salient features distinguishing grafting and budding.
(5 marks)

SECTION B: ANSWER ANY TWO QUESTIONS (30 MARKS)
9.
African indigenous vegetables (AIVs) have increased in importance for food and income
security in Kenya. Giving appropriate examples, discuss the factors favouring the
increased visibility of these crops in Kenya.

(15 marks)
10.
Water is an increasingly important limiting factor to production of crops in Kenya.
Explain how each of the following can contribute to addressing this constraint:
(a)
Farmers

(5 marks)
(b)
Government

(5 marks)
(c)
Consumers of agricultural goods

(5 marks)
11.
Using maize as an example, discuss how agroecology determines the types of crops
grown in different parts of Kenya.

(15 marks)
12.
Discuss the opportunities and challenges to successful implementation of greenhouse
farming in Kenya.

(15 marks)

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Principles Of Crop Production Question Paper

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