The Mid-Atlantic Association of Professional Soil Scientists (MAPSS) is a non- profit organization dedicated to the advancement of the profession of soil science and the protection of the public interest in matters related to soil science. The Association was organized in 1987 and serves professionals primarily in the Maryland, Delaware and District of Columbia area. The membership consists of private consultants, federal government employees, university faculty, state and county employees and other individuals interested in the goals and objectives of the Association in the Mid-Atlantic region.


Congrats Del!!

Leigh Sullivan presenting pons Medal to Del Fannning

UMD Emeritus Professor, Delvin S. Fanning, was awarded the first Pons Medal at 8th International Acid Sulfate Soils Conference held in College Park this past July.

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Thanks to all who helped and all who participated in the 8th international conference to address the issue of acid sulfate soils, found in coastal regions throughout the world. Oxidation of the metal sulfides in these soils, upon exposure to air,  produces sulfuric acid. The subsequent acidification of soil and drainage waters often leads to detrimental ecological consequences.

Detailed Info (3rd Circular)>



Our Newsletter

UMD'S soil judging team is headed to Dekalb, IL for Nationals. Find out how to support them in the newest pedologue (ANd learn which team member is receiving an award from Dr. Rabenhorst in this photo).

Learn what happened at the 2017 Business Meeting. Find out about upcoming events. Discover which undergrad soil enthusiast was awarded the coveted Roy W. Simonson Scholarship for 2017. And read the tales of Russian soil scientist Dr. C.C. Nikiforoff, as told by the late Roy Simonson, himself. Click the link below.

Winter 2017>