Table 1 Leaf litter decomposition parameters of selected woody plant species. Values are means of three replicates (n = 3) with ± 1 SD. Mean values of native and exotic species in each column suffixed with the same letter are not significantly different from each other at p < 0.05 probability level.
Plant species | Decay constant (yr−1) | Mean relative decomposition rate (mg g−1 day−1) | Time for 50% decomposition (days) | Time for 95% decomposition (days) |
|---|---|---|---|---|
Native species | ||||
Albizia lebbeck | 1.61 ± 0.05a | 3.46 ± 0.02a | 158.00 ± 5.00a | 682.00 ± 22.00a |
Azadirachta indica | 1.83 ± 0.11a | 3.65 ± 0.14a | 139.00 ± 9.00a | 601.00 ± 37.00a |
Dalbergia sissoo | 1.16 ± 0.11a | 3.11 ± 0.13a | 220.00 ± 21.00b | 954.00 ± 92.00b |
Pongamia pinnata | 1.28 ± 0.09a | 3.23 ± 0.15a | 198.00 ± 14.00a | 859.00 ± 62.00b |
Terminalia arjuna | 1.02 ± 0.02a | 2.93 ± 0.04ab | 249.00 ± 4.00b | 1078.00 ± 16.00ab |
Exotic species | ||||
Broussonetia papyrifera | 2.44 ± 0.10b | 3.79 ± 0.01c | 104.00 ± 4.00b | 450.00 ± 19.00a |
Eucalyptus globulus | 0.74 ± 0.10a | 2.44 ± 0.27bc | 348.00 ± 48.00c | 1506.00 ± 209.00b |
Grevillea robusta | 0.48 ± 0.06a | 1.62 ± 0.27a | 531.00 ± 63.00d | 2299.00 ± 271.00c |
Lantana camara | 2.67 ± 0.48b | 3.88 ± 0.08c | 97.00 ± 20.00a | 420.00 ± 84.00a |
Leucaena leucocephala | 2.37 ± 0.21b | 3.79 ± 0.03c | 107.00 ± 9.00ab | 464.00 ± 41.00a |