Skip to main content

Table 1 Mean squares for two-way analysis of variance (ANOVA) for selected physicochemical properties of soils due to land uses, soil depths and their interaction effects of the study area

From: Assessment of soil fertility status of Vertisols under selected three land uses in Girar Jarso District of North Shoa Zone, Oromia National Regional State, Ethiopia

Soil parameters

Mean square estimates

Land use (2)

Depth (1)

LU × SD (2)

Error (10)

CV (%)

Sand

296.520**

82.350*

11.010NS

9.020

8.50

Silt

34.890**

2.000NS

24.670**

4.290

6.78

Clay

360.020**

110.010NS

11.520NS

4.420

11.62

BD

0.068**

0.077**

0.013**

0.001

2.70

PD

0.007**

0.020**

0.005**

0.0001

0.40

TP

78.000**

118.000*

2.500NS

13.350

0.72

pH

2.030**

0.060NS

0.005NS

0.014

2.13

EC

0.015**

0.002**

0.006**

0.0001

10.38

OC

2.661**

8.147**

1.604**

0.001

2.04

TN

0.025**

0.050**

0.010**

0.0003

11.28

C:N

1.836NS

0.565NS

0.141NS

0.863

8.17

AP

75.008**

200.868**

6.600**

0.899

5.87

EA

1.667**

1.318**

0.080**

0.010

6.11

EAl

0.139*

0.009NS

0.023NS

0.050

6.58

Ca

121.954**

12.937**

2.644*

0.648

7.48

Mg

28.806**

4.962**

0.065NS

0.057

3.74

K

0.035**

0.027**

0.0004NS

0.0002

3.34

Na

0.002**

0.0004*

0.0014**

0.00005

8.42

CEC

186.636**

11.616*

1.345NS

2.023

2.88

ECEC

30.4928**

3.849**

0.558NS

0.143

5.82

PBS

605.700**

0.405NS

69.150**

1.668

3.68

Fe

2.785**

220.150**

27.030**

0.257

4.83

Mn

21.947**

86.461**

14.451**

4.173

6.22

Cu

1.785**

2.220**

0.249NS

0.140

20.78

Zn

0.013*

0.194**

0.001NS

0.003

8.83

  1. Figures in parentheses are values of degrees of freedom for respective source of variation
  2. NS not significant, LU land use, SD soil depth, LU × SD interaction effect of LU and SD, CV coefficient of variation, BD bulk density, PD particle density, TP total porosity, EC electrical conductivity, OC organic carbon, TN total nitrogen, C:N carbon to nitrogen ratio, AP available phosphorus, EA exchangeable acidity, EAl exchangeable aluminum, CEC cation exchange capacity, ECEC effective cation exchange capacity, PBS percent base saturation
  3. * Significant at P = 0.05, ** significant at P = 0.01