The GLM parameter estimates and significant level under each woody species | ||||||||
---|---|---|---|---|---|---|---|---|
Variables | C. arabica | P. falcatus | C. macrostachyus | C. africana | S. guineense | O. capensis | D. abyssinica | F. decipenses |
pH | 0.41 | 0.03 | 0.5* | − 0.11 | 0.03 | 0.30 | 0.05 | − 0.16 |
CEC | 4.45* | − 0.46 | 1.58 | 1.52 | 0.16 | − 0.61 | 0.13 | 0.39 |
P | − 0.93* | − 1.35* | − 0.4 | − 1.7* | − 0.49 | 0.78 | − 0.74 | − 1.61** |
K | − 1.09** | − 0.9** | 0.22 | − 0.6* | 0.12 | − 0.06 | 0.26 | − 1.19** |
Ca | 1.89* | − 0.28 | 0.83 | 1.35* | − 0.16 | − 1.17* | 0.45 | 1.14* |
Mg | − 242** | 82.87 | − 24.9 | − 105* | − 3.37 | − 38.15 | − 50.77 | − 34.67 |
SOM | 76.64 | 0.82 | 31.6 | 147.8* | 11.18 | 93.87 | 96.92 | 5.84 |
N | − 12.58 | 1.90 | − 7.47 | 21.7* | − 7.07 | − 6.39 | 14.73** | − 4.61 |
C/N | − 17.18* | 21.8** | − 0.36 | 14.1* | 8.42 | 32.71** | 17.06* | − 1.8 |
Clay | 3.2* | − 0.4 | 0.93 | 0.69 | − 0.17 | − 0.41 | 0.18 | − 1.00 |
Silt | 7.78* | − 2 | − 2.73 | − 3.68 | − 0.26 | − 0.59 | 0.69 | 3.75 |
Sand | 12.36* | − 1.97 | 0.68 | − 3.19 | − 2.29 | − 4.2 | 0.74 | 0.84 |
Temperature | − 0.6 | 1.2 | − 1.37* | 0.71 | 1.38* | 0.07 | − 0.43 | 0.87 |
Precipitation | − 4.78** | 1.18* | − 1.6* | − 3.1* | 0.85 | 2.58** | − 3.73** | − 1.94** |
Elevation | − 3.05** | 0.99* | − 1.5** | − 1.9* | − 0.25 | 0.25 | − 2.34** | − 1.93* |
Slope | − 0.53 | − 0.19 | − 0.04 | − 0.2 | 0.01 | − 0.03 | 0.52* | − 0.17 |