Thirty years of reduced tillage or straw management had minor effects on soil carbon sequestration

Regina, Kristiina; Singh, Pooja; Heikkinen, Jaakko; Ketoja, Elise; Nuutinen, Visa; Palojärvi, Ansa; Sheehy, Jatta; Esala, Martti; Mitra, Sudip; Alakukku, Laura (2015)