Table 1 Basic properties of soil substrate at the beginning of incubation and qualities of plant powders.
From: Inhibition of litter decomposition of two emergent macrophytes by addition of aromatic plant powder
Material | Organic C concentration (%) | N concentration (%) | P concentration (%) | Essential oils concentration (% dry mass) |
|---|---|---|---|---|
Plant powder species | ||||
P. hydropiper | 42.21 ± 2.11 | 2.07 ± 0.103 | 0.362 ± 0.051 | 0.42 ± 0.11** |
C. brevicuspis | 44.14 ± 1.88 | 1.91 ± 0.142 | 0.225 ± 0.066 | 0.01 ± 0.00 |
Soil type | ||||
No addition | 1.73 ± 0.14 | 0.110 ± 0.004 a | 0.060 ± 0.002 a | — |
Low P. hydropiper | 1.71 ± 0.06 | 0.120 ± 0.003 b | 0.065 ± 0.001 b | — |
High P. hydropiper | 1.71 ± 0.10 | 0.129 ± 0.002 c | 0.063 ± 0.002 b | — |
Low C. brevicuspis | 1.73 ± 0.07 | 0.121 ± 0.005 b | 0.061 ± 0.002 ab | — |
High C. brevicuspis | 1.73 ± 0.07 | 0.131 ± 0.005 c | 0.063 ± 0.001 b | — |