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2019

Cocoa, Colombia and Dogs
March 28, 2019
Canine team suelo helps advance cocoa research in Colombia
NEW BOOK CHAPTER: Backyard portals: A solutions-oriented approach to understanding and valuing soil.
March 11, 2019
Pennsylvania artist Stacy Levy and Penn State soil scientist Patrick Drohan teamed up to address the question...."How can we value nature through artistic and scientific methodologies?"...click to read more.
NEW PAPER: Geochemical and mineralogical characteristics of loess along northern Appalachian, USA major river systems appear driven by differences in meltwater source lithology
March 11, 2019
K.S. Lindeburg and P.J. Drohan: Eastern United States loess mapped by the U.S. Department of Agriculture, National Resources Conservation Service (USDA-NRCS) mostly occurs near major river systems like the Delaware and Susquehanna Rivers. Results suggest that developing a “loess fingerprint” for each river system based on major, minor and rare earth elements is possible, and likely to be useful in differentiating sources; however coarse silts may be a more effective fraction (than fine silts) for sediment sourcing, especially if rare earth elements are used.