The soil is not compacted. The interaction between mechanical treatment and cover crop is almost significant in 20-25 cm. Row as a factor does not improve the model.
Fodder radish Black oats Tall fescue
Ref 3 3 3
Compost 0 0 0
LB 3 3 3
LB extensive 0 0 0
LB Sand 0 0 0
SB 3 3 3
SS 3 3 3
SS Caterpillar 0 0 0
studentized Breusch-Pagan test
data: md
BP = 19.211, df = 12, p-value = 0.08356
Call:
lm(formula = bulk_gew_g_cm3 ~ ondgr_bw * gr_bem + blok, data = dataset.5.10cm)
Coefficients:
(Intercept) ondgr_bwLB
1.41275 -0.05300
ondgr_bwSB ondgr_bwSS
-0.07667 -0.05733
gr_bemBlack oats gr_bemTall fescue
-0.07233 -0.01967
blok ondgr_bwLB:gr_bemBlack oats
-0.01788 0.05867
ondgr_bwSB:gr_bemBlack oats ondgr_bwSS:gr_bemBlack oats
0.08900 0.07733
ondgr_bwLB:gr_bemTall fescue ondgr_bwSB:gr_bemTall fescue
0.06200 0.04233
ondgr_bwSS:gr_bemTall fescue
0.01033
Analysis of Variance Table
Response: bulk_gew_g_cm3
Df Sum Sq Mean Sq F value Pr(>F)
ondgr_bw 3 0.006070 0.0020232 0.7485 0.5343
gr_bem 2 0.003875 0.0019377 0.7168 0.4989
blok 1 0.007668 0.0076684 2.8369 0.1056
ondgr_bw:gr_bem 6 0.010777 0.0017962 0.6645 0.6789
Residuals 23 0.062171 0.0027031
Shapiro-Wilk normality test
data: resid(md)
W = 0.97945, p-value = 0.727
$emmeans
ondgr_bw gr_bem emmean SE df lower.CL upper.CL
Ref Fodder radish 1.38 0.03 23 1.31 1.44
LB Fodder radish 1.32 0.03 23 1.26 1.39
SB Fodder radish 1.30 0.03 23 1.24 1.36
SS Fodder radish 1.32 0.03 23 1.26 1.38
Ref Black oats 1.30 0.03 23 1.24 1.37
LB Black oats 1.31 0.03 23 1.25 1.37
SB Black oats 1.32 0.03 23 1.25 1.38
SS Black oats 1.32 0.03 23 1.26 1.39
Ref Tall fescue 1.36 0.03 23 1.30 1.42
LB Tall fescue 1.37 0.03 23 1.30 1.43
SB Tall fescue 1.32 0.03 23 1.26 1.39
SS Tall fescue 1.31 0.03 23 1.25 1.37
Confidence level used: 0.95
$contrasts
contrast estimate SE df t.ratio p.value
Ref Fodder radish - LB Fodder radish 0.053000 0.0425 23 1.249 0.9781
Ref Fodder radish - SB Fodder radish 0.076667 0.0425 23 1.806 0.7993
Ref Fodder radish - SS Fodder radish 0.057333 0.0425 23 1.351 0.9621
Ref Fodder radish - Ref Black oats 0.072333 0.0425 23 1.704 0.8491
Ref Fodder radish - LB Black oats 0.066667 0.0425 23 1.570 0.9030
Ref Fodder radish - SB Black oats 0.060000 0.0425 23 1.413 0.9489
Ref Fodder radish - SS Black oats 0.052333 0.0425 23 1.233 0.9800
Ref Fodder radish - Ref Tall fescue 0.019667 0.0425 23 0.463 1.0000
Ref Fodder radish - LB Tall fescue 0.010667 0.0425 23 0.251 1.0000
Ref Fodder radish - SB Tall fescue 0.054000 0.0425 23 1.272 0.9750
Ref Fodder radish - SS Tall fescue 0.066667 0.0425 23 1.570 0.9030
LB Fodder radish - SB Fodder radish 0.023667 0.0425 23 0.558 1.0000
LB Fodder radish - SS Fodder radish 0.004333 0.0425 23 0.102 1.0000
LB Fodder radish - Ref Black oats 0.019333 0.0425 23 0.455 1.0000
LB Fodder radish - LB Black oats 0.013667 0.0425 23 0.322 1.0000
LB Fodder radish - SB Black oats 0.007000 0.0425 23 0.165 1.0000
LB Fodder radish - SS Black oats -0.000667 0.0425 23 -0.016 1.0000
LB Fodder radish - Ref Tall fescue -0.033333 0.0425 23 -0.785 0.9995
LB Fodder radish - LB Tall fescue -0.042333 0.0425 23 -0.997 0.9962
LB Fodder radish - SB Tall fescue 0.001000 0.0425 23 0.024 1.0000
LB Fodder radish - SS Tall fescue 0.013667 0.0425 23 0.322 1.0000
SB Fodder radish - SS Fodder radish -0.019333 0.0425 23 -0.455 1.0000
SB Fodder radish - Ref Black oats -0.004333 0.0425 23 -0.102 1.0000
SB Fodder radish - LB Black oats -0.010000 0.0425 23 -0.236 1.0000
SB Fodder radish - SB Black oats -0.016667 0.0425 23 -0.393 1.0000
SB Fodder radish - SS Black oats -0.024333 0.0425 23 -0.573 1.0000
SB Fodder radish - Ref Tall fescue -0.057000 0.0425 23 -1.343 0.9636
SB Fodder radish - LB Tall fescue -0.066000 0.0425 23 -1.555 0.9085
SB Fodder radish - SB Tall fescue -0.022667 0.0425 23 -0.534 1.0000
SB Fodder radish - SS Tall fescue -0.010000 0.0425 23 -0.236 1.0000
SS Fodder radish - Ref Black oats 0.015000 0.0425 23 0.353 1.0000
SS Fodder radish - LB Black oats 0.009333 0.0425 23 0.220 1.0000
SS Fodder radish - SB Black oats 0.002667 0.0425 23 0.063 1.0000
SS Fodder radish - SS Black oats -0.005000 0.0425 23 -0.118 1.0000
SS Fodder radish - Ref Tall fescue -0.037667 0.0425 23 -0.887 0.9986
SS Fodder radish - LB Tall fescue -0.046667 0.0425 23 -1.099 0.9916
SS Fodder radish - SB Tall fescue -0.003333 0.0425 23 -0.079 1.0000
SS Fodder radish - SS Tall fescue 0.009333 0.0425 23 0.220 1.0000
Ref Black oats - LB Black oats -0.005667 0.0425 23 -0.133 1.0000
Ref Black oats - SB Black oats -0.012333 0.0425 23 -0.291 1.0000
Ref Black oats - SS Black oats -0.020000 0.0425 23 -0.471 1.0000
Ref Black oats - Ref Tall fescue -0.052667 0.0425 23 -1.241 0.9791
Ref Black oats - LB Tall fescue -0.061667 0.0425 23 -1.453 0.9392
Ref Black oats - SB Tall fescue -0.018333 0.0425 23 -0.432 1.0000
Ref Black oats - SS Tall fescue -0.005667 0.0425 23 -0.133 1.0000
LB Black oats - SB Black oats -0.006667 0.0425 23 -0.157 1.0000
LB Black oats - SS Black oats -0.014333 0.0425 23 -0.338 1.0000
LB Black oats - Ref Tall fescue -0.047000 0.0425 23 -1.107 0.9911
LB Black oats - LB Tall fescue -0.056000 0.0425 23 -1.319 0.9677
LB Black oats - SB Tall fescue -0.012667 0.0425 23 -0.298 1.0000
LB Black oats - SS Tall fescue 0.000000 0.0425 23 0.000 1.0000
SB Black oats - SS Black oats -0.007667 0.0425 23 -0.181 1.0000
SB Black oats - Ref Tall fescue -0.040333 0.0425 23 -0.950 0.9975
SB Black oats - LB Tall fescue -0.049333 0.0425 23 -1.162 0.9871
SB Black oats - SB Tall fescue -0.006000 0.0425 23 -0.141 1.0000
SB Black oats - SS Tall fescue 0.006667 0.0425 23 0.157 1.0000
SS Black oats - Ref Tall fescue -0.032667 0.0425 23 -0.770 0.9996
SS Black oats - LB Tall fescue -0.041667 0.0425 23 -0.982 0.9967
SS Black oats - SB Tall fescue 0.001667 0.0425 23 0.039 1.0000
SS Black oats - SS Tall fescue 0.014333 0.0425 23 0.338 1.0000
Ref Tall fescue - LB Tall fescue -0.009000 0.0425 23 -0.212 1.0000
Ref Tall fescue - SB Tall fescue 0.034333 0.0425 23 0.809 0.9994
Ref Tall fescue - SS Tall fescue 0.047000 0.0425 23 1.107 0.9911
LB Tall fescue - SB Tall fescue 0.043333 0.0425 23 1.021 0.9954
LB Tall fescue - SS Tall fescue 0.056000 0.0425 23 1.319 0.9677
SB Tall fescue - SS Tall fescue 0.012667 0.0425 23 0.298 1.0000
P value adjustment: tukey method for comparing a family of 12 estimates
Fodder radish Black oats Tall fescue
Ref 3 3 3
Compost 0 0 0
LB 3 3 3
LB extensive 0 0 0
LB Sand 0 0 0
SB 3 3 3
SS 3 3 3
SS Caterpillar 0 0 0
Call:
lm(formula = bulk_gew_g_cm3 ~ ondgr_bw * gr_bem + blok, data = dataset.20.25cm)
Coefficients:
(Intercept) ondgr_bwLB
1.381917 -0.033000
ondgr_bwSB ondgr_bwSS
-0.030000 0.057000
gr_bemBlack oats gr_bemTall fescue
-0.047000 0.024667
blok ondgr_bwLB:gr_bemBlack oats
0.002375 0.110333
ondgr_bwSB:gr_bemBlack oats ondgr_bwSS:gr_bemBlack oats
0.153667 0.019000
ondgr_bwLB:gr_bemTall fescue ondgr_bwSB:gr_bemTall fescue
0.053667 0.038333
ondgr_bwSS:gr_bemTall fescue
-0.093000
Analysis of Variance Table
Response: bulk_gew_g_cm3
Df Sum Sq Mean Sq F value Pr(>F)
ondgr_bw 3 0.006614 0.0022047 0.7970 0.50816
gr_bem 2 0.004643 0.0023214 0.8392 0.44487
blok 1 0.000135 0.0001354 0.0489 0.82687
ondgr_bw:gr_bem 6 0.038017 0.0063361 2.2905 0.07025 .
Residuals 23 0.063623 0.0027662
---
Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
Shapiro-Wilk normality test
data: resid(md)
W = 0.96915, p-value = 0.4028
$emmeans
ondgr_bw gr_bem emmean SE df lower.CL upper.CL
Ref Fodder radish 1.39 0.0304 23 1.32 1.45
LB Fodder radish 1.35 0.0304 23 1.29 1.42
SB Fodder radish 1.36 0.0304 23 1.29 1.42
SS Fodder radish 1.44 0.0304 23 1.38 1.51
Ref Black oats 1.34 0.0304 23 1.28 1.40
LB Black oats 1.42 0.0304 23 1.35 1.48
SB Black oats 1.46 0.0304 23 1.40 1.53
SS Black oats 1.42 0.0304 23 1.35 1.48
Ref Tall fescue 1.41 0.0304 23 1.35 1.47
LB Tall fescue 1.43 0.0304 23 1.37 1.49
SB Tall fescue 1.42 0.0304 23 1.36 1.48
SS Tall fescue 1.38 0.0304 23 1.31 1.44
Confidence level used: 0.95
$contrasts
contrast estimate SE df t.ratio p.value
Ref Fodder radish - LB Fodder radish 0.03300 0.0429 23 0.768 0.9996
Ref Fodder radish - SB Fodder radish 0.03000 0.0429 23 0.699 0.9998
Ref Fodder radish - SS Fodder radish -0.05700 0.0429 23 -1.327 0.9663
Ref Fodder radish - Ref Black oats 0.04700 0.0429 23 1.094 0.9919
Ref Fodder radish - LB Black oats -0.03033 0.0429 23 -0.706 0.9998
Ref Fodder radish - SB Black oats -0.07667 0.0429 23 -1.785 0.8100
Ref Fodder radish - SS Black oats -0.02900 0.0429 23 -0.675 0.9999
Ref Fodder radish - Ref Tall fescue -0.02467 0.0429 23 -0.574 1.0000
Ref Fodder radish - LB Tall fescue -0.04533 0.0429 23 -1.056 0.9939
Ref Fodder radish - SB Tall fescue -0.03300 0.0429 23 -0.768 0.9996
Ref Fodder radish - SS Tall fescue 0.01133 0.0429 23 0.264 1.0000
LB Fodder radish - SB Fodder radish -0.00300 0.0429 23 -0.070 1.0000
LB Fodder radish - SS Fodder radish -0.09000 0.0429 23 -2.096 0.6303
LB Fodder radish - Ref Black oats 0.01400 0.0429 23 0.326 1.0000
LB Fodder radish - LB Black oats -0.06333 0.0429 23 -1.475 0.9332
LB Fodder radish - SB Black oats -0.10967 0.0429 23 -2.554 0.3577
LB Fodder radish - SS Black oats -0.06200 0.0429 23 -1.444 0.9415
LB Fodder radish - Ref Tall fescue -0.05767 0.0429 23 -1.343 0.9635
LB Fodder radish - LB Tall fescue -0.07833 0.0429 23 -1.824 0.7898
LB Fodder radish - SB Tall fescue -0.06600 0.0429 23 -1.537 0.9144
LB Fodder radish - SS Tall fescue -0.02167 0.0429 23 -0.505 1.0000
SB Fodder radish - SS Fodder radish -0.08700 0.0429 23 -2.026 0.6734
SB Fodder radish - Ref Black oats 0.01700 0.0429 23 0.396 1.0000
SB Fodder radish - LB Black oats -0.06033 0.0429 23 -1.405 0.9508
SB Fodder radish - SB Black oats -0.10667 0.0429 23 -2.484 0.3954
SB Fodder radish - SS Black oats -0.05900 0.0429 23 -1.374 0.9575
SB Fodder radish - Ref Tall fescue -0.05467 0.0429 23 -1.273 0.9748
SB Fodder radish - LB Tall fescue -0.07533 0.0429 23 -1.754 0.8254
SB Fodder radish - SB Tall fescue -0.06300 0.0429 23 -1.467 0.9353
SB Fodder radish - SS Tall fescue -0.01867 0.0429 23 -0.435 1.0000
SS Fodder radish - Ref Black oats 0.10400 0.0429 23 2.422 0.4305
SS Fodder radish - LB Black oats 0.02667 0.0429 23 0.621 1.0000
SS Fodder radish - SB Black oats -0.01967 0.0429 23 -0.458 1.0000
SS Fodder radish - SS Black oats 0.02800 0.0429 23 0.652 0.9999
SS Fodder radish - Ref Tall fescue 0.03233 0.0429 23 0.753 0.9997
SS Fodder radish - LB Tall fescue 0.01167 0.0429 23 0.272 1.0000
SS Fodder radish - SB Tall fescue 0.02400 0.0429 23 0.559 1.0000
SS Fodder radish - SS Tall fescue 0.06833 0.0429 23 1.591 0.8955
Ref Black oats - LB Black oats -0.07733 0.0429 23 -1.801 0.8020
Ref Black oats - SB Black oats -0.12367 0.0429 23 -2.880 0.2121
Ref Black oats - SS Black oats -0.07600 0.0429 23 -1.770 0.8178
Ref Black oats - Ref Tall fescue -0.07167 0.0429 23 -1.669 0.8646
Ref Black oats - LB Tall fescue -0.09233 0.0429 23 -2.150 0.5963
Ref Black oats - SB Tall fescue -0.08000 0.0429 23 -1.863 0.7688
Ref Black oats - SS Tall fescue -0.03567 0.0429 23 -0.831 0.9992
LB Black oats - SB Black oats -0.04633 0.0429 23 -1.079 0.9928
LB Black oats - SS Black oats 0.00133 0.0429 23 0.031 1.0000
LB Black oats - Ref Tall fescue 0.00567 0.0429 23 0.132 1.0000
LB Black oats - LB Tall fescue -0.01500 0.0429 23 -0.349 1.0000
LB Black oats - SB Tall fescue -0.00267 0.0429 23 -0.062 1.0000
LB Black oats - SS Tall fescue 0.04167 0.0429 23 0.970 0.9970
SB Black oats - SS Black oats 0.04767 0.0429 23 1.110 0.9910
SB Black oats - Ref Tall fescue 0.05200 0.0429 23 1.211 0.9825
SB Black oats - LB Tall fescue 0.03133 0.0429 23 0.730 0.9998
SB Black oats - SB Tall fescue 0.04367 0.0429 23 1.017 0.9955
SB Black oats - SS Tall fescue 0.08800 0.0429 23 2.049 0.6591
SS Black oats - Ref Tall fescue 0.00433 0.0429 23 0.101 1.0000
SS Black oats - LB Tall fescue -0.01633 0.0429 23 -0.380 1.0000
SS Black oats - SB Tall fescue -0.00400 0.0429 23 -0.093 1.0000
SS Black oats - SS Tall fescue 0.04033 0.0429 23 0.939 0.9977
Ref Tall fescue - LB Tall fescue -0.02067 0.0429 23 -0.481 1.0000
Ref Tall fescue - SB Tall fescue -0.00833 0.0429 23 -0.194 1.0000
Ref Tall fescue - SS Tall fescue 0.03600 0.0429 23 0.838 0.9992
LB Tall fescue - SB Tall fescue 0.01233 0.0429 23 0.287 1.0000
LB Tall fescue - SS Tall fescue 0.05667 0.0429 23 1.320 0.9676
SB Tall fescue - SS Tall fescue 0.04433 0.0429 23 1.032 0.9950
P value adjustment: tukey method for comparing a family of 12 estimates
wortels_loof | ondgr_bw | gr_bem | name |
---|---|---|---|
grond 20-25 cm | Ref | Fodder radish | 1.386667 |
grond 20-25 cm | Ref | Black oats | 1.339667 |
grond 20-25 cm | Ref | Tall fescue | 1.411333 |
grond 20-25 cm | Ref | NA | 1.407000 |
grond 20-25 cm | Compost | NA | 1.388500 |
grond 20-25 cm | LB | Fodder radish | 1.353667 |
grond 20-25 cm | LB | Black oats | 1.417000 |
grond 20-25 cm | LB | Tall fescue | 1.432000 |
grond 20-25 cm | LB extensive | NA | 1.419500 |
grond 20-25 cm | LB Sand | NA | 1.409000 |
grond 20-25 cm | SB | Fodder radish | 1.356667 |
grond 20-25 cm | SB | Black oats | 1.463333 |
grond 20-25 cm | SB | Tall fescue | 1.419667 |
grond 20-25 cm | SS | Fodder radish | 1.443667 |
grond 20-25 cm | SS | Black oats | 1.415667 |
grond 20-25 cm | SS | Tall fescue | 1.375333 |
grond 20-25 cm | SS Caterpillar | NA | 1.450333 |
grond 5-10 cm | Ref | Fodder radish | 1.377000 |
grond 5-10 cm | Ref | Black oats | 1.304667 |
grond 5-10 cm | Ref | Tall fescue | 1.357333 |
grond 5-10 cm | Ref | NA | 1.289500 |
grond 5-10 cm | Compost | NA | 1.297000 |
grond 5-10 cm | LB | Fodder radish | 1.324000 |
grond 5-10 cm | LB | Black oats | 1.310333 |
grond 5-10 cm | LB | Tall fescue | 1.366333 |
grond 5-10 cm | LB extensive | NA | 1.314000 |
grond 5-10 cm | LB Sand | NA | 1.304000 |
grond 5-10 cm | SB | Fodder radish | 1.300333 |
grond 5-10 cm | SB | Black oats | 1.317000 |
grond 5-10 cm | SB | Tall fescue | 1.323000 |
grond 5-10 cm | SS | Fodder radish | 1.319667 |
grond 5-10 cm | SS | Black oats | 1.324667 |
grond 5-10 cm | SS | Tall fescue | 1.310333 |
grond 5-10 cm | SS Caterpillar | NA | 1.294667 |