Agro 102: Principles Of Crop Production Question Paper

Agro 102: Principles Of Crop Production

Course:Bachelor Of Science In Agricultural Economics

Institution: Chuka University question papers

Exam Year:2013

CHUKA

UNIVERSITY

UNIVERSITY EXAMINATIONS
SECOND YEAR EXAMINATIONS FOR THE AWARD OF DEGREE IN BACHELOR OF SCIENCE (AGRICULTURAL ECONOMICS)
AGRO 102: PRINCIPLES OF CROP PRODUCTION
STREAMS: BSC AGEC Y2SI TIME: 2 HOURS
DAY/DATE: FRIDAY 19/4/2013 8.30 AM – 10.30AM
INSTRUCTIONS:

Answer all questions in section A and any other TWO questions in section B.

SECTION A (TOTAL 30 MARKS)

1. (a) Write short notes on soil biotic factors and the role they play. [4 Marks]

(b) Define a cropping system and explain briefly the criteria used in classifying
them. [6 Marks]

2. (a) State and briefly discuss the criteria that an element must meet before it is referred
to as essential element. [5 Marks]

(b) State the characteristics of weeds which make them excellent competitors with the
crop plants. [5 Marks]

3. (a) Define the term insect pest and categorize them based on pattern of feeding.
[4 Marks]

(b) What are the reasons for the adoption of integrated pest management?
[6 Marks]

SECTION B (TOTAL 40 MARKS)

4. Discuss methods used in cultural control of pests. [20 Marks]

5. Discuss Layerage and the types that exist. [20 Marks]

6. Discuss the symptoms of plant diseases. [20 Marks]

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