USDA
Marcia DeLonge
USDA
Lance Cheung/USDA
USDA
Lance Cheung/USDA
USDA
Lance Cheung/USDA
Matt Liebman/Iowa State University
USDA
Photo: Lance Cheung/USDA
USDA
Photo: NRCS Soil Health/CC BY 2.0 (Flickr)
USDA /Cynthia Mendoza
Photo: IIP Photo Archive/Flickr
Preston Keres/USDA
USDA
Photo: USDA/Ron Nichols
Photo: USDA
USDA
Ivette Perfecto and John Vandermeer in a shaded coffee farm in Chiapas, Mexico. They use diverse shaded coffee as a model system to study ecological complexity and its implications for farm management and biodiversity conservation.
Source: University of Maine.
Keefe Keeley, Savanna Institute
Steve Hopson/CC-BY-SA-2.5, Wikimedia
Jim Robinson, USDA-NRCS/CC BY 2.0, Flickr