The results

Dry bulk density 15cm
There are no significant effects between the different green manure
treatments on bulk density in 2022.

## Analysis of Variance Table
##
## Response: bulkdensity2022[, var]
## Df Sum Sq Mean Sq F value Pr(>F)
## treatment 2 0.000614 0.0003068 0.0424 0.9586
## blok 3 0.007716 0.0025719 0.3555 0.7857
## blok:subplot 8 0.073842 0.0092303 1.2757 0.3055
## Residuals 22 0.159181 0.0072355
##
## Shapiro-Wilk normality test
##
## data: model$residuals
## W = 0.9651, p-value = 0.3072
##
## $emmeans
## contrast estimate SE df t.ratio p.value
## Fibrous roots - Mixture 0.008533 0.0347 22 0.246 0.9673
## Fibrous roots - Taproots 0.008967 0.0347 22 0.258 0.9640
## Mixture - Taproots 0.000433 0.0347 22 0.012 0.9999
##
## Results are averaged over the levels of: subplot, blok
## Note: contrasts are still on the [ scale
## P value adjustment: tukey method for comparing a family of 3 estimates
##
## $contrasts
## contrast estimate SE df
## (Fibrous roots - Mixture) - (Fibrous roots - Taproots) -0.000433 0.0347 22
## (Fibrous roots - Mixture) - (Mixture - Taproots) 0.008100 0.0601 22
## (Fibrous roots - Taproots) - (Mixture - Taproots) 0.008533 0.0347 22
## t.ratio p.value
## -0.012 0.9999
## 0.135 0.9901
## 0.246 0.9673
##
## Results are averaged over the levels of: subplot, blok
## P value adjustment: tukey method for comparing a family of 3 estimates

Bulk density 30cm
There are no significant effects between the different green manure
treatments on bulk density in 2022.

## Analysis of Variance Table
##
## Response: bulkdensity2022[, var]
## Df Sum Sq Mean Sq F value Pr(>F)
## treatment 2 0.009664 0.0048321 0.6130 0.5507
## blok 3 0.006740 0.0022466 0.2850 0.8357
## blok:subplot 8 0.045643 0.0057053 0.7238 0.6691
## Residuals 22 0.173410 0.0078823
##
## Shapiro-Wilk normality test
##
## data: model$residuals
## W = 0.97048, p-value = 0.4388
##
## $emmeans
## contrast estimate SE df t.ratio p.value
## Fibrous roots - Mixture -0.00182 0.0362 22 -0.050 0.9986
## Fibrous roots - Taproots -0.03563 0.0362 22 -0.983 0.5949
## Mixture - Taproots -0.03381 0.0362 22 -0.933 0.6258
##
## Results are averaged over the levels of: subplot, blok
## Note: contrasts are still on the [ scale
## P value adjustment: tukey method for comparing a family of 3 estimates
##
## $contrasts
## contrast estimate SE df
## (Fibrous roots - Mixture) - (Fibrous roots - Taproots) 0.03381 0.0362 22
## (Fibrous roots - Mixture) - (Mixture - Taproots) 0.03198 0.0628 22
## (Fibrous roots - Taproots) - (Mixture - Taproots) -0.00182 0.0362 22
## t.ratio p.value
## 0.933 0.6258
## 0.509 0.8675
## -0.050 0.9986
##
## Results are averaged over the levels of: subplot, blok
## P value adjustment: tukey method for comparing a family of 3 estimates

Fresh weight depth 0-15
There are no significant effects between the different green manure
treatments on fresh weight in 2022.

## Analysis of Variance Table
##
## Response: bulkdensity2022[, var]
## Df Sum Sq Mean Sq F value Pr(>F)
## treatment 2 20.11 10.053 0.1058 0.9001
## blok 3 56.65 18.883 0.1987 0.8961
## blok:subplot 8 994.94 124.368 1.3087 0.2901
## Residuals 22 2090.74 95.034
##
## Shapiro-Wilk normality test
##
## data: model$residuals
## W = 0.96283, p-value = 0.2624
##
## $emmeans
## contrast estimate SE df t.ratio p.value
## Fibrous roots - Mixture 1.677 3.98 22 0.422 0.9071
## Fibrous roots - Taproots 1.473 3.98 22 0.370 0.9275
## Mixture - Taproots -0.204 3.98 22 -0.051 0.9986
##
## Results are averaged over the levels of: subplot, blok
## Note: contrasts are still on the [ scale
## P value adjustment: tukey method for comparing a family of 3 estimates
##
## $contrasts
## contrast estimate SE df
## (Fibrous roots - Mixture) - (Fibrous roots - Taproots) 0.204 3.98 22
## (Fibrous roots - Mixture) - (Mixture - Taproots) 1.882 6.89 22
## (Fibrous roots - Taproots) - (Mixture - Taproots) 1.677 3.98 22
## t.ratio p.value
## 0.051 0.9986
## 0.273 0.9598
## 0.422 0.9071
##
## Results are averaged over the levels of: subplot, blok
## P value adjustment: tukey method for comparing a family of 3 estimates

Fresh weight depth 15-30
There are no significant effects between the different green manure
treatments on fresh weight in 2022.

## Analysis of Variance Table
##
## Response: bulkdensity2022[, var]
## Df Sum Sq Mean Sq F value Pr(>F)
## treatment 2 64.03 32.013 0.4619 0.6360
## blok 3 161.15 53.717 0.7751 0.5204
## blok:subplot 8 588.33 73.541 1.0612 0.4239
## Residuals 22 1524.67 69.303
##
## Shapiro-Wilk normality test
##
## data: model$residuals
## W = 0.98245, p-value = 0.8245
##
## $emmeans
## contrast estimate SE df t.ratio p.value
## Fibrous roots - Mixture -0.844 3.4 22 -0.248 0.9666
## Fibrous roots - Taproots -3.155 3.4 22 -0.928 0.6286
## Mixture - Taproots -2.311 3.4 22 -0.680 0.7775
##
## Results are averaged over the levels of: subplot, blok
## Note: contrasts are still on the [ scale
## P value adjustment: tukey method for comparing a family of 3 estimates
##
## $contrasts
## contrast estimate SE df
## (Fibrous roots - Mixture) - (Fibrous roots - Taproots) 2.311 3.40 22
## (Fibrous roots - Mixture) - (Mixture - Taproots) 1.467 5.89 22
## (Fibrous roots - Taproots) - (Mixture - Taproots) -0.844 3.40 22
## t.ratio p.value
## 0.680 0.7775
## 0.249 0.9664
## -0.248 0.9666
##
## Results are averaged over the levels of: subplot, blok
## P value adjustment: tukey method for comparing a family of 3 estimates

Dry weight depth 0-15
There are no significant effects between the different green manure
treatments on fresh weight in 2022.

## Analysis of Variance Table
##
## Response: bulkdensity2022[, var]
## Df Sum Sq Mean Sq F value Pr(>F)
## treatment 2 6.14 3.068 0.0424 0.9586
## blok 3 77.16 25.719 0.3555 0.7857
## blok:subplot 8 738.42 92.303 1.2757 0.3055
## Residuals 22 1591.81 72.355
##
## Shapiro-Wilk normality test
##
## data: model$residuals
## W = 0.9651, p-value = 0.3072
##
## $emmeans
## contrast estimate SE df t.ratio p.value
## Fibrous roots - Mixture 0.8533 3.47 22 0.246 0.9673
## Fibrous roots - Taproots 0.8967 3.47 22 0.258 0.9640
## Mixture - Taproots 0.0433 3.47 22 0.012 0.9999
##
## Results are averaged over the levels of: subplot, blok
## Note: contrasts are still on the [ scale
## P value adjustment: tukey method for comparing a family of 3 estimates
##
## $contrasts
## contrast estimate SE df
## (Fibrous roots - Mixture) - (Fibrous roots - Taproots) -0.0433 3.47 22
## (Fibrous roots - Mixture) - (Mixture - Taproots) 0.8100 6.01 22
## (Fibrous roots - Taproots) - (Mixture - Taproots) 0.8533 3.47 22
## t.ratio p.value
## -0.012 0.9999
## 0.135 0.9901
## 0.246 0.9673
##
## Results are averaged over the levels of: subplot, blok
## P value adjustment: tukey method for comparing a family of 3 estimates

Dry weight depth 15-30
There are no significant effects between the different green manure
treatments on fresh weight in 2022.

## Analysis of Variance Table
##
## Response: bulkdensity2022[, var]
## Df Sum Sq Mean Sq F value Pr(>F)
## treatment 2 96.64 48.321 0.6130 0.5507
## blok 3 67.40 22.466 0.2850 0.8357
## blok:subplot 8 456.43 57.053 0.7238 0.6691
## Residuals 22 1734.10 78.823
##
## Shapiro-Wilk normality test
##
## data: model$residuals
## W = 0.97048, p-value = 0.4388
##
## $emmeans
## contrast estimate SE df t.ratio p.value
## Fibrous roots - Mixture -0.182 3.62 22 -0.050 0.9986
## Fibrous roots - Taproots -3.563 3.62 22 -0.983 0.5949
## Mixture - Taproots -3.381 3.62 22 -0.933 0.6258
##
## Results are averaged over the levels of: subplot, blok
## Note: contrasts are still on the [ scale
## P value adjustment: tukey method for comparing a family of 3 estimates
##
## $contrasts
## contrast estimate SE df
## (Fibrous roots - Mixture) - (Fibrous roots - Taproots) 3.381 3.62 22
## (Fibrous roots - Mixture) - (Mixture - Taproots) 3.198 6.28 22
## (Fibrous roots - Taproots) - (Mixture - Taproots) -0.182 3.62 22
## t.ratio p.value
## 0.933 0.6258
## 0.509 0.8675
## -0.050 0.9986
##
## Results are averaged over the levels of: subplot, blok
## P value adjustment: tukey method for comparing a family of 3 estimates

Moisture percentage depth 0-15
There are no significant effects between the different green manure
treatments on fresh weight in 2022.

## Analysis of Variance Table
##
## Response: bulkdensity2022[, var]
## Df Sum Sq Mean Sq F value Pr(>F)
## treatment 2 0.3758 0.18792 0.3593 0.70216
## blok 3 4.3605 1.45350 2.7794 0.06511 .
## blok:subplot 8 6.3367 0.79209 1.5146 0.20877
## Residuals 22 11.5050 0.52296
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
##
## Shapiro-Wilk normality test
##
## data: model$residuals
## W = 0.97705, p-value = 0.6451
##
## $emmeans
## contrast estimate SE df t.ratio p.value
## Fibrous roots - Mixture 0.250 0.295 22 0.848 0.6780
## Fibrous roots - Taproots 0.124 0.295 22 0.422 0.9071
## Mixture - Taproots -0.126 0.295 22 -0.426 0.9052
##
## Results are averaged over the levels of: subplot, blok
## Note: contrasts are still on the [ scale
## P value adjustment: tukey method for comparing a family of 3 estimates
##
## $contrasts
## contrast estimate SE df
## (Fibrous roots - Mixture) - (Fibrous roots - Taproots) 0.126 0.295 22
## (Fibrous roots - Mixture) - (Mixture - Taproots) 0.376 0.511 22
## (Fibrous roots - Taproots) - (Mixture - Taproots) 0.250 0.295 22
## t.ratio p.value
## 0.426 0.9052
## 0.736 0.7453
## 0.848 0.6780
##
## Results are averaged over the levels of: subplot, blok
## P value adjustment: tukey method for comparing a family of 3 estimates

Moisture percentage depth 15-30
There are no significant effects between the different green manure
treatments on fresh weight in 2022.

## Analysis of Variance Table
##
## Response: bulkdensity2022[, var]
## Df Sum Sq Mean Sq F value Pr(>F)
## treatment 2 4.247 2.1237 0.6033 0.5558
## blok 3 1.667 0.5557 0.1579 0.9235
## blok:subplot 8 20.194 2.5243 0.7171 0.6746
## Residuals 22 77.447 3.5203
##
## Shapiro-Wilk normality test
##
## data: model$residuals
## W = 0.97904, p-value = 0.7131
##
## $emmeans
## contrast estimate SE df t.ratio p.value
## Fibrous roots - Mixture -0.240 0.766 22 -0.313 0.9476
## Fibrous roots - Taproots 0.579 0.766 22 0.755 0.7336
## Mixture - Taproots 0.818 0.766 22 1.068 0.5431
##
## Results are averaged over the levels of: subplot, blok
## Note: contrasts are still on the [ scale
## P value adjustment: tukey method for comparing a family of 3 estimates
##
## $contrasts
## contrast estimate SE df
## (Fibrous roots - Mixture) - (Fibrous roots - Taproots) -0.818 0.766 22
## (Fibrous roots - Mixture) - (Mixture - Taproots) -1.058 1.327 22
## (Fibrous roots - Taproots) - (Mixture - Taproots) -0.240 0.766 22
## t.ratio p.value
## -1.068 0.5431
## -0.797 0.7084
## -0.313 0.9476
##
## Results are averaged over the levels of: subplot, blok
## P value adjustment: tukey method for comparing a family of 3 estimates

Results
15 |
LB |
Fibrous roots |
1.402300 |
178.5700 |
140.2300 |
21.47089 |
15 |
LB |
Mixture |
1.409000 |
178.3900 |
140.9000 |
21.03378 |
15 |
LB |
Taproots |
1.346833 |
170.7067 |
134.6833 |
21.09880 |
15 |
Ref |
Fibrous roots |
1.338000 |
169.6967 |
133.8000 |
21.17462 |
15 |
Ref |
Mixture |
1.410600 |
177.2333 |
141.0600 |
20.43852 |
15 |
Ref |
Taproots |
1.399700 |
176.5633 |
139.9700 |
20.76464 |
15 |
SB |
Fibrous roots |
1.414900 |
178.3633 |
141.4900 |
20.67227 |
15 |
SB |
Mixture |
1.347600 |
170.6600 |
134.7600 |
21.04228 |
15 |
SB |
Taproots |
1.452600 |
181.3200 |
145.2600 |
19.89314 |
15 |
SS |
Fibrous roots |
1.405733 |
178.2567 |
140.5733 |
21.14279 |
15 |
SS |
Mixture |
1.359600 |
171.8933 |
135.9600 |
20.94489 |
15 |
SS |
Taproots |
1.325933 |
170.4033 |
132.5933 |
22.20618 |
30 |
LB |
Fibrous roots |
1.420867 |
182.4133 |
142.0867 |
22.13804 |
30 |
LB |
Mixture |
1.415633 |
181.1800 |
141.5633 |
21.81909 |
30 |
LB |
Taproots |
1.378467 |
176.6367 |
137.8467 |
21.98856 |
30 |
Ref |
Fibrous roots |
1.372900 |
174.9200 |
137.2900 |
21.50882 |
30 |
Ref |
Mixture |
1.377700 |
177.6900 |
137.7700 |
22.50797 |
30 |
Ref |
Taproots |
1.425400 |
179.6033 |
142.5400 |
20.67545 |
30 |
SB |
Fibrous roots |
1.372600 |
173.6600 |
137.2600 |
21.03769 |
30 |
SB |
Mixture |
1.398633 |
177.4500 |
139.8633 |
21.18245 |
30 |
SB |
Taproots |
1.409000 |
180.9400 |
140.9000 |
22.19237 |
30 |
SS |
Fibrous roots |
1.400267 |
180.9533 |
140.0267 |
22.67877 |
30 |
SS |
Mixture |
1.381967 |
179.0033 |
138.1967 |
22.81267 |
30 |
SS |
Taproots |
1.496300 |
187.3867 |
149.6300 |
20.19256 |
15 |
2020 |
1.343556 |
1.264100 |
1.338456 |
1.362811 |
106.2855 |
105.8821 |
107.80881 |
15 |
2021 |
1.462300 |
1.458717 |
1.486050 |
1.450867 |
100.2456 |
101.8738 |
99.46186 |
15 |
2022 |
1.386044 |
1.382767 |
1.405033 |
1.363756 |
100.2370 |
101.6103 |
98.62514 |
30 |
2020 |
1.330433 |
1.283833 |
1.361067 |
1.284744 |
103.6298 |
106.0158 |
100.07097 |
30 |
2021 |
1.472417 |
1.456850 |
1.488817 |
1.427117 |
101.0685 |
102.1942 |
97.95907 |
30 |
2022 |
1.404989 |
1.392000 |
1.393411 |
1.426178 |
100.9331 |
100.1014 |
102.45530 |
## Warning: Using `size` aesthetic for lines was deprecated in ggplot2 3.4.0.
## Warning: Please use `linewidth` instead.
## Warning: Continuous limits supplied to discrete scale.
## ℹ Did you mean `limits = factor(...)` or `scale_*_continuous()`?
## Warning: Continuous limits supplied to discrete scale.
## ℹ Did you mean `limits = factor(...)` or `scale_*_continuous()`?
