Soil Acidification on Dry Heaths in Jutland, Denmark—Trends in pH Over a Century. - Kaae, Mathias Emil; Petersen, Asger Ryge; Kristiansen, Søren Munch; Nielsen, Knud Erik; Bak, Jesper Leth; Damgaard, Christian Frølund (Water, Air & Soil Pollution, 2022)