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Effects of volcanic ash on GHG production rates and soil properties in a drained peat soil in Finland and a comparison to wood ash

Maljanen, Marja; Liimatainen, Maarit; Sigurdsson, Bjarni D. (Landbúnaðarháskóli Íslands, 2015-02)

Past volcanic eruptions in Iceland have sometimes led to long-distance distribution of fine volcanic tephra (volcanic ash). Evidence for volcanic ash from, for example, the ca. 4250 BP eruption in Hekla (H4) and the 1783-1784 AD Laki eruption in southern ...
Factors controlling nitrous oxide emissions from managed northern peat soils with low carbon to nitrogen ratio

Liimatainen, Maarit; Voigt, Carolina; Martikainen, Pertti; Hytönen, Jyrki; Regina, Kristiina; Oskarsson, Hlynur; Maljanen, Marja (Elsevier BV, 2018-07)

Managed northern peatlands are an important source of the strong greenhouse gas nitrous oxide (N2O). However, N2O emissions from these managed peatlands display a high spatial variability, and processes governing N2O production and emissions from these ...

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