35-year trends of acidity and soluble nutrients in cultivated soils of Finland - Keskinen, Riikka; Ketoja, Elise; Heikkinen, Jaakko; Salo, Tapio; Uusitalo, Risto; Nuutinen, Visa (Elsevier Science, 2016)
Keywords: macronutrients; stagnosols; soil fertility; acidity; monitoring; gleysols; histosols; regosols