As a broadly trained agroecologist, Blesh uses interdisciplinary research approaches to understand how different agrifood systems impact ecological and social processes. Her ecological research focuses on soil nitrogen and carbon biogeochemical cycles, agroecosystem nutrient management, and legume nitrogen fixation. Current projects include assessing the socioecological resilience of family farms in Brazil, and research in the U.S. centered on cropping system diversification through winter cover crops and improving nitrogen retention in farm fields. Her research program pays particular attention to alternative production-consumption relations, and is guided by a pragmatic motivation to support development of more ecologically sustainable and equitable food systems.