Agte 322:Irrigation And Water Management Question Paper
Agte 322:Irrigation And Water Management
Course:Agriculture
Institution: Kenya Methodist University question papers
Exam Year:2012
KENYA METHODIST UNIVERSITY
END OF 2''ND ''TRIMESTER 2012 (DAY) EXAMINATIONS
FACULTY : SCIENCE & TECHNOLOGY
DEPARTMENT : AGRICULTURE
UNIT CODE : AGTE 322
UNIT TITLE : IRRIGATION AND WATER MANAGEMENT
TIME : TWO HOURS
Instructions: This paper has two sections: Section I and Section II. Answer all the questions in section I and only two questions in section II.
SECTION I
Question One
Differentiate between "Consumptive water use" and "Evapotranspiration." (6mks)
Question Two
Explain how the level of mechanization on a farm influences the choice of an irrigation method. (6mks)
Question Three
Discuss three ways in which bad irrigation practices can cause soil salinity. (6mks)
Question Four
Discuss three factors which influence crop water requirements. (6mks)
Question Five
State six advantages of lined irrigation canals compared to earth canals. (6mks)
SECTION II
Question Six
Using diagrams where possible, describe five different processes undergone by water drops during a rainstorm. (20mks)
Question Seven
Explain how each one of the following factors affects the amount of water lost through run off.
Vegetation
(5mks)
Soil type
(5mks)
Land topography
(5mks)
Rainfall characteristics
(5mks)
Question Eight
Discuss how the following factors influence the choice of an irrigation method:
Natural conditions
(4mks)
Type of crop
(4mks)
Farmer’s previous experience with irrigation
(4mks)
Required labour input
(4mks)
Costs and benefits
(4mks)
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