Agroforestry Practices Question Paper
Agroforestry Practices
Course:Bachelor Of Environmental Studies
Institution: Kenyatta University question papers
Exam Year:2009
KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
ENVIRONMENTAL SCIENCE
ERC 304: AGROFORESTRY PRACTICES
ENS 419: AGROFORESTRY
DATE: THURSDAY, 24TH DECEMBER 2009
TIME: 2.00 P.M. - 4.00 P.M.
INSTRUCTIONS: Answer question ONE and any other THREE.
1.
a)
Define
the
following
terms:
(10
marks)
i)
Transhumance
ii)
Agroforestry
iii)
Coppicing
iv)
Aqua-silvicultural
system
v)
Allelopathy
(10 marks)
b)
Differentiate
between
(10
marks)
i)
Grazers
and
Browsers
ii)
Woodlot
and
Fallow
iii)
Spatial
and
Temporary
complementarity
iv)
Taungya and Alley cropping
v)
Subsistence farming and Cash cropping
c)
Fill
in
the
blanks
(5
marks)
i)
The integration of trees and shrubs with pastures is called
_______________________
ii)
_______________________ is the cutting back the crown of a tree in
more or less systematic fashion with the objective of harvesting small
wood, browse and producing regrowth of a tree.
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iii)
__________________ can assimilate and fix the free nitrogen of the
atmosphere with the aid of bacteria living in their root nodules.
iv)
Land covered with grass and other herbaceous species, and with woody
tree
species
that
cover
between
approximately 10 - 40% of the ground is
considered
as
______________________.
v)
A ________________________ is a land unit comprising pastures,
herds, auxillary feed sources and transforming plant biomass into animal
products.
2.
a)
Describe, “IDEOTYPE” for an Agroforestry system.
How
many
different
ideotype
categories have been defined by Donald and
Huxley?
(5
marks)
b)
How do you determine the attributes of Multipurpose tree (MPT) in
production and service functions?
c)
Identify and explain an ideotype specification used for agroforestry in
semi-arid
zones.
(5
marks)
3.
a)
Discuss major challenges faced by small-scale agroforestry farmers
in East Africa?
(5 marks)
b)
Discuss the role of Agroforestry in the conservation of degraded lands.
(10 marks)
4.
List twelve major land use systems where Agroforestry technologies are
applicable and discuss four in detail.
(10 marks)
5.
You have been posted in Limuru as an environmental conservation officer.
Explain
the
agroforestry technologies you could recommend to the farmers
in the area.
(15 marks)
*****************
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