Study Site

Study Year

Cover Crop

Main Crop

Effects

References

South Brazil

2012-2013

Rye, black oats, oilseed radish

Onion

Rye plant residues showed highest half-life, slowly release nutrients

[90]

Sudan Savannah, Africa

1986-1987

Pigeon pea, beans

Corn

Increase exchangeable K⁺, Soil matric potential, C/N ratio, soil organic carbon

[91]

State of Mato Grosso do Sul, Brazil

2010-2014

Intercropping with several cover crops

Fall-winter maize

Results in high exchangeable Mg²⁺ and K⁺, P content increase in 5 - 10 cm soil

[92]