Table 2 Analysis of variance (ANOVA) of the variables measured in Schinus terebinthifolia Raddi seedlings at 110 days after sowing, considering the effect of the substrates in each of the controlled-release fertilizer (CRF) rates.

From: Sewage sludge as substrate in Schinus terebinthifolia raddi seedlings commercial production

Variables

Response

Df

Sum Sq

Mean Sq

F Value

Pr (> F)

log(Height)

Substrate

1

2.59

2.59

534.86

≈ 0.00

CRF rates

3

8.69

2.90

599.52

≈ 0.00

Interaction

3

7.70

2.57

531.03

≈ 0.00

Residuals

24

0.12

0.005

  

log(Diameter)

Substrate

1

1.37

1.37

581.71

≈ 0.00

CRF rates

3

4.37

1.46

620.67

≈ 0.00

Interaction

3

4.41

1.47

625.92

≈ 0.00

Residuals

24

0.06

0.002

  

H/D

Substrate

1

5.41

5.41

31.65

≈ 0.00

CRF rates

3

32.16

10.72

62.77

≈ 0.00

Interaction

3

24.24

8.08

47.31

≈ 0.00

Residuals

24

4.01

0.17

  

SDM

Substrate

1

8.09

8.09

13.94

0.0010

CRF rates

3

12.73

4.24

7.31

0.0011

Interaction

3

14.79

4.93

8.50

0.0005

Residuals

24

13.92

0.58

  

RDM−2.7

Substrate

1

0.0011

0.0011

63.86

≈ 0.00

CRF rates

3

0.0018

0.0006

34.76

≈ 0.00

Interaction

3

0.0017

0.0005

31.24

≈ 0.00

Residuals

24

0.0004

0.00001

  

S/R

Substrate

1

0.0004

0.0004

0.03

0.86

CRF rates

3

0.0622

0.0207

1.55

0.23

Interaction

3

0.6812

0.2271

17.01

≈ 0.00

Residuals

24

0.3204

0.0133

  

DQI

Substrate

1

0.05

0.05

1.53

0.228

CRF rates

3

0.14

0.05

1.28

0.304

Interaction

3

0.60

0.20

5.56

0.004

Residuals

24

0.87

0.04

  
  1. In which: CRF controlled-release fertilizer; DQI Dickson’s quality index; H/D height/diameter ratio; SDM shoot dry mass; RDM root dry mass; and S/R shoot/root ratio.