1. W. K. Kellogg Biological Station, Michigan State University, Hickory Corners, MI 49060, USA.
2. Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, MI 48824, USA.
3. Great Lakes Bioenergy Research Center, Michigan State University, East Lansing, MI 48824, USA.
4. Department of Integrative Biology, Michigan State University, East Lansing, MI 48824, USA.
5. Department of Agricultural and Applied Economics, University of Wisconsin, Madison, WI 53706, USA.
6. Great Lakes Bioenergy Research Center, University of Wisconsin, Madison, WI 53706, USA.
7. Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, MI 48824, USA.
8. Department of Geographical Sciences, University of Maryland, College Park, MD 20742, USA.
9. Texas AgriLife Research, Texas A&M University, Temple, TX 76502, USA.
10. Department of Agronomy, University of Wisconsin, Madison, WI 53706, USA.
11. Department of Entomology, Michigan State University, East Lansing, MI 48824, USA.
12. Department of Agricultural, Food, and Resource Economics, Michigan State University, East Lansing, MI 48824, USA.
13. Center for Microbial Ecology, Michigan State University, East Lansing, MI 48824, USA.