Assessment of percent ectomycorrhizal colonization of plant roots from randomly selected cores taken in Long-term ecological research (LTER) soil warming and fertilization plots.

Suzanne Simard, Julie R. Deslippe, , & William Mohn
In the summer of 2007, we collected soils from treatment plots that are maintained as part of the Arctic Long-term Ecological Research (LTER) site at Toolik Lake, AK (68o38'N, 149o34'W, elevation 760m), since 1989. Treatments include warming by greenhouses and fertilization (10 g m-2 year-1 N as NH4NO3; and 5 g m-2 year-1 P as Ca P) in a factorial design. Three replicate soil cores were taken from each tratment plot. Plant roots were obtained...
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