Table 5. Mean surface soil properties (0–20 cm) for land use types (park, n =87; institution, n =131; residential, n =92; roadside, n =95).
Soil properties | Land use |
ANOVA p | |||
---|---|---|---|---|---|
Park | Institution | Residential | Roadside | ||
pH | 7.70±0.1b | 7.81±0.1b | 8.15±0.1a | 7.93±0.1ab | 0.012 |
Organic matter, g kg-1 | 0.65±0.03 | 0.64±0.03 | 0.67±0.06 | 0.69±0.04 | NS a |
N, mg kg-1 | 23.57±3.62 | 25.73±3.14 | 29.15±6.87 | 33.13±4.42 | NS |
P, mg kg-1 | 43.01±4.58a | 33.52±8.35ab | 27.17±3.82b | 35.33±5.37ab | 0.013 |
K, mg kg-1 | 117±6.85 | 112±5.82 | 117±12.69 | 131±8.13 | NS |
Ca, mg kg-1 | 2407±80b | 2394±68b | 2634±148ab | 2663±96a | 0.028 |
Mg, mg kg-1 | 255±14 | 234±11 | 240±26 | 224±16 | NS |
S, mg kg-1 | 30.87±2.53b | 25.03±2.10b | 26.04±4.77b | 37.23±3.02a | 0.001 |
Fe, mg kg-1 | 35.11±2.26 | 32.73±1.86 | 28.36±4.13 | 35.12±2.66 | NS |
Cu, mg kg-1 | 4.64±0.63ab | 3.56±0.57b | 4.82±1.27ab | 6.21±0.73a | 0.003 |
Mn, mg kg-1 | 27.04±1.85a | 23.93±1.55ab | 20.11±3.46b | 27.08±2.13ab | 0.035 |
Zn, mg kg-1 | 5.54±0.66b | 6.21±0.55ab | 6.47±1.12ab | 7.91±0.73a | 0.010 |
B, mg kg-1 | 0.70±0.07 | 0.73±0.06 | 0.68±0.12 | 0.69±0.86 | NS |
The results are presented as mean ± SD. In a row, values with the same letters are not significantly different at 5% level based on Duncan’s multiple range tests. a NS, not significant at the α = 0.05 probability level.