Agte 322:Irrigation And Water Management Question Paper
Agte 322:Irrigation And Water Management
Course:Agriculture
Institution: Kenya Methodist University question papers
Exam Year:2013
KENYA METHODIST UNIVERSITY
END OF 1''ST ''TRIMESTER 2013 (DAY) EXAMINATION
FACULTY : SCIENCE & TECHNOLOGY
DEPARTMENT : AGRICULTURE AND NATURAL RESOURCES
UNIT CODE : AGTE 322
UNIT TITLE : IRRIGATION AND WATER MANAGEMENT
TIME : 2 HOURS
INSTRUCTIONS
Answer all questions in Section A and two questions in Section B.
SECTION A
Question One
Explain three reasons why runoff data is used in the planning and design of irrigation systems.
(6 Marks)
Define the term "evapotranspiration" and discuss three reasons why it is important to get an estimated value of the evapotranspiration of an area when designing an irrigation system for that area.
(6 Marks)
Discuss three reasons why the crop grown in a given field determines the frequency of irrigation.
(6 Marks)
Compare and contrast the water holding capacity of "sandy soils", "loan soils" and "clay soils."
(6 Marks)
Mention four conditions which lead to soil salinity and state how each condition can be minimized.
(6 Marks)
SECTION B
Question Two
Describe five irrigation systems which are referred to as "surface irrigation systems." (20 Marks)
Question Three
Describe the irrigation system referred to as "bucket drip irrigation kit" and discuss; (20 Marks)
The sites where it is suitable
Land preparation
Installation and use of the drip kit
Question Four
Discuss five conditions in which surface irrigation methods are more suitable than sprinkler or drip irrigation systems. (20 Marks)
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