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Agro 102:Principles Of Crop Production School Based Programme 2011/2012 Question Paper

Agro 102:Principles Of Crop Production School Based Programme 2011/2012

Course:Bachelor Of Education Primary Option

Institution: Egerton University question papers

Exam Year:2011

EGERTON UNIVERSITY
UNIVERSITY EXAMINATIONS
SSP/SCHOOL BASED PROGRAMME - 2011/2012
YEAR EXAMINATION FOR THE DEGREE OF BACHELOR OF
EDUCATION (PRIMARY)

AGRO 102 – PRINCIPLES OF CROP PRODUCTION

INSTRUCTIONS: Answer ALL questions.

Q1. Briefly explain ANY FIVE of the following terminologies as they are used in
crop production practices. Give examples where appropriate.

(i) Soil fertility (vi) Food security
(ii) Hydroponics (vii) Hygroscopic water
(iii) Leaf Area Index (LAI)
(iv) Sustainable agriculture
(v) Regularity of 3:1
(2 marks each)

Q2. For a soil to support a profitable crop production enterprise, briefly discuss the
conditions that the soil must satisfy. (10 marks)

Q3. (a) Define the various types of drought in agriculture.
(6 marks)
(b) A researcher is working with a new pearl millet variety whose
evapotranspiration was 1500m3
. The yield was 4 metric tons. Determine
the water use efficiency (WUE) of the crop using Viets (1962) equation.
(4 marks)

Q4. Discuss the classification of field crops based upon carbon dioxide reduction.
(10 marks)

Q5. (a) Explain how a fertiliser such as Ammonium Sulphate Nitrate (ASN) can cause
soil acidity if used in a field continuously for several seasons.
(4 marks)
(b) Calculate the grade of a compound fertiliser weighing 600 kgs made
from 200 kgs Sulphate of Ammonia (SA), 300 kgs Super Phosphate (SP) and 100 kgs of Muriate of Potash. (6 marks)

6. (a) Explain how air pollutants such as fluorides, ozone (O3) as well as vehicle
and industrial fumes can affect crop production.
(6 marks)
(b) Outline the importance of a medium scale grain drying facility in a typical
farm set up. (6 marks)
(c) Outline what goals the NEPAD (New Partnership for Africa’s Development) .
has set to achieve by year 2015. (5 marks)
(d) State the main objective of Kyoto protocol 2005 on climate change.
(3 marks)

Agro 102:Principles Of Crop Production School Based Programme 2011/2012 Question Paper

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