Effectiveness of Cover Crops against soil loss of organic matter

 Cover crops have become one strategy to help reduce erosion of topsoil, as well as maintain the level of organic matter and nutrients within the topsoil. Since 95% of the world's food crops grown in topsoil, this is a vital resource that needs to be maintained and treasured around the world, especially with negative effects on some of our best farming topsoil due to accelerating climate change. Here is one example of a summary about the effectiveness of cover crops. 

This is one example of what a cover crop looks like: