Environmental Engineering Reference
In-Depth Information
Table 5.2 Demonstration activities in Ghana
Activities
Outcome
Location
Experiment to determine trees that combine or
•
Still under assessment, but initial findings
Duasin and other locations in
do not combine well with food crops, and to
appear to be generally consistent with
Gyamfiase-Adenya
determine optimal tree-food crop spacing
claims by farmers
Use of selected farms as agroforestry models
•
Increased popularity of traditional
All sites in southern and central Ghana
agroforestry
•
Apparent improvement in soil fertility
and crop yield
•
Increased fuelwood
Use of home gardens as germplasm bank
•
Spread of home gardening
All sites in southern Ghana
and source of food, medicinal, and other
•
Reported income increase
useful plants
•
Growing modelling of school gardens
on home garden principles
Yam management: techniques of planting,
•
Spread of yam farming involving
Initiated in Gyamfiase-Adenya, but
staking, harvesting; storing
in situ
in the soil
a diversity of varieties
spread to other sites in southern Ghana
unharvested small yams for use as seeds
Conservation of over 20 varieties of yam in a
•
Conservation of a diversity of yams
Bongnayili-Dugu-Song northern Ghana
demonstration plot at Dugu
including disappearing ones
•
Propagation of rare yams among farmers
Conservation of sacred forest groves through
•
Conserved assorted trees and diversity of
All sites in Ghana
PLEC farmer associations
other plants
•
Popular awareness of conserving
biodiversity through conserved forest
Medicinal plant conservation through arboreta
•
Conserved assorted medicinal plants,
Amanase-Whanabenya and Sekesua-
which are starting to yield a modest
Osonson, southern Ghana
income
•
Popular awareness of methods and
prospects conserving medicinal plants
through arboreta
