Fleming, L V EFFECTS OF SOIL TRENCHING AND CORING ON THE FORMATION OF ECTOMYCORRHIZAS ON BIRCH SEEDLINGS GROWN AROUND MATURE TREES. [electronic resource] - The New phytologist Sep 1984 - 143-153 p. digital Publication Type: Journal Article ISSN: 1469-8137 Standard No.: 10.1111/j.1469-8137.1984.tb06104.x doi