Study Site

Study Year

Cover Crop

Main Crop

Effects

References

Coastal plain experiment station, GA

2002-2005

Sun hemp and Crimson clover

Corn

Increase soil C and N, decrease bulk density, increase saturated hydraulic conductivity

[86]

Lincoln university, MO

2011-2012

Cereal rye

Corn-soybean rotation

Bulk density decreased by 3.5%, C:N decreased

[87]

Hesston, KS

1995-2000

Hairy vetch, sun hemp

Winter wheat-grain sorghum

Increase soil organic carbon by 30%, increase infiltration rate, decrease bulk density

[88]

Central valley, California

1991

Broom grass, strawberry clover

-

Reduced soil surface strength by 38% - 41%, increase infiltration rate by 20% - 101%

[37]

Maryland

13 years

Hairy vetch

Corn

Increased aggregate stability, water infiltration

[89]