Environmental Engineering Reference
In-Depth Information
Table 6.3 (cont.)
Field
Independent variable
no.
Topographical features and ecological niches
Management: frequency of use of
Household characteristics
Streams
Depressions
Termite
Stones
Other
House-
Chemical
Proka
Hoe
Other
Size
Gender
Age
Net
etc.
and ponds
mounds
hold
fertilizer
mulching
M
F
migra-
refuse/
and no-burn
tion
farm-
yard
manure
1.
2.
3.
4.
5.
6.
7.
n.
