Colorado mountains


Changes in crop productivity as a result of shallow groundwater, Yahara Watershed, Wisconsin

Poster Number:  330 Presenter/Primary Author:  Samuel Zipper A primary limitation on agricultural yields in many parts of the world, including the US Corn Belt, is the quantity and temporal distribution of water resources.

Mechanisms of soil C storage in bioenergy cropping systems

Poster Number:  318 Presenter/Primary Author:  Lisa Tiemann Soils often accrue carbon (C) when land is converted from grain based row crops such as corn to perennial bioenergy crops.

Non-linear nitrous oxide (N2O) response to N fertilizer during switchgrass establishment

Poster Number:  317 Presenter/Primary Author:  Leilei Ruan N2O is known for its high global warming potential. Various studies have shown that soil N2O emissions are significantly correlated with the amount of N fertilizer applied.

The impacts of changes in snowfall on soil greenhouse gas emissions using an automated chamber system

Poster Number:  284 Presenter/Primary Author:  Kevin Kahmark With increasing global surface temperature, snow cover has decreased in many regions.

Background Photo by: Nicole Hansen - Jornada (JRN) LTER