References:
1. Kahmark, K., M. Jones, S. Bohm, N. Baker, and G. P. Robertson. 2024. Rainfall Manipulation Shelters for Agricultural Research. Kellogg Biological Station Long-term Ecological Research Special Publication. Zenodo, https://doi.org/10.5281/zenodo.10607631
2. Baldwin-Kordick, R., M. De, M.D. Lopez, M. Liebman, N. Lauter, J. Marino, and M.D. McDaniel. 2022. Comprehensive impacts of diversified cropping on soil health and sustainability in the Midwestern US. Agroecology and Sustainable Food Systems, doi:10.1080/21683565.2021.2019167.
3. Liebman, M., L.R. Gibson, D.N. Sundberg, A.H. Heggenstaller, P.R. Westerman, C.A. Chase, R.G. Hartzler, F.D. Menalled, A.S. Davis, and P.M. Dixon. 2008. Agronomic and economic performance characteristics of conventional and low-external-input cropping systems in the central Corn Belt. Agronomy Journal 100: 600-610.