Throughout human history, our relationship with the soil has affected our ability to cultivate crops and influenced the success of civilizations. This relationship between humans, the earth, and food ...

Take a look out at this landscape. What do you notice? Credit: Shutterstock Take a walk outside. Get some fresh air. What do you notice around you? Buildings, trees, and the sky may be on your list, ...

This is a preview. Log in through your library . Abstract Background: Anthropogenic nitrogen (N) addition has dramatically increased and significantly affected global nitrogen cycling. The natural ...