Consortium members at Purdue University are focusing on soil carbon processes with different crop rotation and tillage practices. Long-term field studies conducted by Purdue staff have provided an opportunity to estimate the impact of management practices on carbon sequestration and carbon and nitrogen cycling in agricultural systems. The scientists have access to several long-term tillage, residue management, and rotation studies as well as a series of field scale drainage lysimeters. The soils above the drainage lysimeters are managed with different cropping systems including prairie and manure applications, making this site particularly useful for assessing losses of inorganic and organic carbon to leaching. The basic sciences programs at Purdue are investigating the stability and nature of carbon in soil. We are advancing the knowledge of the carbon sequestration process in soils by employing molecular and bulk spectroscopic techniques to track the fate of major biopolymers (e.g lignin, chitin, etc) in natural field plots and laboratory degradation experiments. Other basic sciences groups are evaluating plant genomics and lignin formation with an eye towards plant modification. Purdue works in collaboration with the Conservation Technology Information Center (CTIC) allowing for a rapid transfer of information to end-users.
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