Research Article
Chemical, Biochemical, and Microbiological Properties of Soils from Abandoned and Extensively Cultivated Olive Orchards
Table 1
Two-way ANOVA analysis of chemical properties of the soils studied (average values;
).
| Treatment | SOM (g kg−1) | Total N (g kg−1) | C/N | Available P (mg kg−1) | pH | Electric conductivity (μS cm−1) |
| Management | P = 0.016 | P < 0.0001 | ns | P < 0.0001 | P = 0.0002 | ns | Managed | 27.7 b | 1.3 b | 12.2 a | 56.0 a | 7.9 a | 80.4 a | Abandoned | 38.6 a | 1.9 a | 11.8 a | 31.5 b | 7.1 b | 70.0 a | Soil depth | ns | ns | ns | ns | P = 0.0085 | ns | 0–20 cm | 33.2 a | 1.6 a | 12.0 a | 43.7 a | 7.5 a | 80.3 a | 20–40 cm | 33.1 a | 1.6 a | 12.0 a | 41.4 a | 7.4 b | 70.1 a | Management × soil depth | ns | ns | ns | ns | P = 0.0017 | ns |
|
|
ns: not significant; mean values followed by different letters are significantly different between the two management systems.
|