Cover crops/

Bulk density

Total Porosity

Microporosity

Macroporosity

Soil depth layers

(mg/m³)

------------------ (cm³/cm³) ------------------

Dry beans

Vetch + forage turnip

1.42 A

0.54 B

0.44 A

0.10 B

Black oats + forage turnnip

1.34 A

0.56 B

0.44 A

0.12 B

Winter fallow

1.19 B

0.62 A

0.38 B

0.24 A

0 - 5

1.21 b

0.61 a

0.40 b

0.21 a

5 - 10

1.34 a

0.56 b

0.42 ab

0.14 b

15 - 20

1.40 a

0.55 b

0.45 a

0.11 b

Maize

Black oats

1.34 A

0.58 A

0.44 A

0.13 B

Vetch

1.35 A

0.58 A

0.43 A

0.15 B

Fallow

1.21 B

0.60 A

0.39 B

0.21 A

0 - 5

1.23 b

0.60 a

0.41 a

0.19 a

5 - 10

1.30 ab

0.58 a

0.42 a

0.17 a

15 - 20

1.38 a

0.57 a

0.43 a

0.14 a

Soybeans

Forage turnip

1.36 A

0.59 A

0.46 A

0.12 A

Vetch + black oats

1.41 A

0.54 A

0.44 A

0.10 A

Winter fallow

1.33 A

0.59 A

0.41 B

0.17 A

0 - 5

1.28 b

0.60 a

0.43 b

0.17 a

5 - 10

1.39 a

0.58 ab

0.44 ab

0.14 a

15 - 20

1.42 a

0.54 b

0.45 a

0.09 b