Agriculture Reference
In-Depth Information
Table 3.4
Common tree species and associated functions as identified by households growing the
species on their farm fields in the Cagayan Valley, the Philippines
Tree species
a
Percentage of respondents growing tree species for listed purpose
Production function
Service function
Paper tree
91
27
81
3
94
90
81
2
0
2
47
82
93
88
90
Jackfruit
27
25
0
0
15
10
75
0
16
0
60
85
100
95
100
Mango
64
362272 72 10 4 1 6 1 8
Banana
51
43---3 73 53 3 6 0 6 1
Coconut
30
184044 40 10 7 6 0 5 9
Calamansi
26
00000 40 10 8 5 5 4 5
Pomelo
31
270004 70 70 3 5 0 1 1
Santol
18
310888 58 30 5 2 2 5 5
Guyabano
14
220000 70 10 8 0 9 0 0
Mahogany
4
67
0
0
100
100
100
0
0
0
67
100
100
100
100
Coffee
10
57000 4 10 40 1 6 1 7 0
Ipil-Ipil
8
33
100
0
100
100
100
17
0
17
67
100
100
100
100
Acacia
3
100
0
0
100
50
100
0
0
0
100
100
100
100
100
Avocado
14
50
0
10
10
0
90
0
50
0
80
100
100
90
100
Mandarin
8
600000 00 00 0 0 0 0 0
Guava
4
00000 00 00 0 0 0 0 0
Chesa
4
670000 00 00 0 0 0 7 0
Ilang-Ilang
3
1000000 00 00 0 0 0 0 0
Caimito
4
330000 00 00 0 0 7 7 0
Narra
5
0
25
0
100
100
75
0
0
0
50
100
100
75
75
Note: all observations of tree species ≤1 have been eliminated from this table
a
Paper tree:
Gmelina arborea
; Jackfruit:
Artocarpus heterophyllus
: Mango:
Mangifera indica
;
Banana:
Musa
sp.; Coconut:
Cocos nucifera
; Calamansi:
Citrus microcarpa
; Pomelo:
Citrus
grandis
; Santol:
Sandoricum koetjape
; Guyabano
: Annona muricata
; Mahogany:
Swietenia mac-
rophylla
; Coffee:
Coffea arabica
; Ipil-ipil:
Leucena leucocephala
; Acacia:
Samanea saman
;
Avocado:
Persea americana
; Mandarin:
Citrus reticulata
: Guava:
Psidium guajava
; Chesa:
Pouteria campechiana
; Ilang-ilang:
Cananga odorata
; Caimito:
Chrysophyllum cainito
; Narra:
Pterocarpus indica
b
The number of fields (expressed as % of total number of fields with trees; n = 74) in which a
given tree species is present (occurrence) or used for commercial purposes (commercial use)
Farmers in lowland areas who abstain from planting timber trees give as major
reason that their farm area is too small. Other reasons referred to in each of the three
agro-eco zones include the necessity to grow seasonal cash crops for immediate
income and the need to avoid shading of cash crops by trees. In some fields in
the upland areas, timber trees are not grown because the households who cultivate
these fields are tenant and have no say about the type of crops to grow. Astray animals
are perceived to be problematic only in (hilly) lowland fields. The presence of
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