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.


Fall 2018 NE Soil Judging Competition

Fall 2018 UMD Soil Judging Team in hillsboro, OH.

With rain and temperatures in the 40s, the UMD Soil Judging Team persevered and walked away with 1st Place awards for both group judging and as the overall the Team winner!

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Our Newsletter

Barrett wessel (left) presenting an honorary Phi Kappa Phi certificate to Dr. Weindorf at the UMD Hoff theater.

Read about recent MAPSS events, the triumphs of the UMD Soil Judging Team, and shared memories of former NRCS Pennsylvania State Soil Scientist and charter MAPSS member Ed White, who passed away in 2018.

Fall 2018>


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.