Security Services Natural Resources
Resume:
Lilongwe University of Agriculture and Natural Resources
BUNDA COLLEGE OF AGRICULTURE
DEPARTMENT OFAGRICULTURAL ENGINEERING
COURSE OUTLINE
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PROGRAMME
:
MSc Degree in Irrigation Engineering
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COURSE TITLE
:
Advanced Drainage Systems
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COURSE CODE
:
IRE 524
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YEAR
:
One
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SEMESTER
:
Two
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PRESENTED TO
:
Faculty of Agriculture
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PRESENTED BY
:
Department of Agricultural Engineering
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LECTURES HOURS/WEEK
:
1 X 2hrs
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TUTORIALS/PRACTICAL HOURS/WEEK
:
1 X 2hrs
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METHOD OF ASSESSMENT
:
Course Work 40 %
End of Course Exam 60 %
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PREREQUISITES
:
Irrigation Agronomy
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AIM OF STUDY
:
The course is aimed at equipping students with skills in investigation, planning, design, construction and maintenance of various types of land drainage systems so as to have sustained irrigated agriculture.
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COURSE OBJECTIVE
:
Upon completion of the course students should be able to:
a)Understand the deterioration of agriculture production under Stalinization and sodification in semi-arid and areas.
b)Select the appropriate type of structure for irrigation and drainage networks and prepare a hydraulic design of drainage structures
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TOPICS OF STUDY
:
a)An introduction to land drainage, Agricultural criteria for land drainage
b) Soil moistures characteristics, Soil moisture constants, anisotropy, homogeneity, Darcy’s Law, determination of hydraulic conductivity.
c)Drainage investigation and types of drainage system.
d)Surface and subsurface drainage system design. Dupit-Forcheimer theory and Boussinesq equation, Drainage design equations; steady and unsteady state conditions
e)Special types of drains: Mole drain, bio drains, pumped wells and Interceptor drain.
f)Drainage materials, Drainage outlets & Special structures on drainage system.
g)Types of equipments for layout of drainage system.
h)Tube well drainage
i)Operation and maintenance of drainage system.
j)Salinity and sodicity in soils, land reclamation techniques
k)Grouting and dewatering techniques
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PRESCRIBED TEXT
Lambert K. Smedema, Wilhelm F. Vlotman, and David W. Rycroft, 2004. Modern land drainage: Planning, design and management of agricultural drainage systems. Taylor and Francis.
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RECOMMENDED TEXTS
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