128
T. Das and A. K. Das
Table 2 Relative Importance Values (RIV) of dominant homegarden plants in Dorgakona village
of Barak Valley, Assam, northeast India
Frequency of occurrence Species
Life form Uses
RIV (%)
90% (very common)
Beetel (Areca catechu)
Palm
Fruit/cash
52.73
Banana (Musa sp.)
Tree
Fruit/cash
22.24
Jack fruit (Artocarpus
heterophyllus)
Tree
Multipurpose
9.37
Mango (Mangifera
indica)
Tree
Multipurpose
9.32
70–90% (common)
Cedrela tree (Toona
ciliata)
Tree
Timber
6.66
Guava (Psidium guajava) Tree
Fruit
5.08
Shaddock (Citrus
maxima)
Tree
Fruit
4.82
Papaya (Carica papaya)
Tree
Fruit
4.92
Bamboo sp.
Bambusa cacharensis
100.34
Schizostachyum dulooa
27.41
Meloccana baccifera
24.66
Bambusa vulgaris
22.42
Bambusa balcooa
21.77
Bambusa nutans
3.40
8.02
4.74
3.23
2.06
1.87
1.77
1.57
1.27
0
1
2
3
4
5
6
7
8
9
F r u i t
T i m
b e r
M
i s c e l l a n e o u s
F u e l w
o o d
f e n c i n g
R
e l i g i o u s
o r n a m
e n t a l
M
e d i c i n a l
Use categories
Mean number of species per Homegarden
Fig. 6 Mean number of species per use category per homegarden in Dorgakona village of Barak
Valley, Assam, northeast India