Brief and vigorous N2O production by soil at spring thaw
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Brief and vigorous N2O production by soil at spring thaw. / Christensen, Søren; Tiedje, James M.
In: European Journal of Soil Science, Vol. 41, No. 1, 1990, p. 1-4.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Brief and vigorous N2O production by soil at spring thaw
AU - Christensen, Søren
AU - Tiedje, James M.
PY - 1990
Y1 - 1990
N2 - In an acid sandy loam soil (pH 3.8), field production of N2O was two orders of magnitude higher at thaw in the spring than at any time during the rest of the year. Soil thaw in midwinter did not result in any increase in N2O flux. Soil water content remained at, or above field capacity during measurements; nitrate was added in excess. This effect could be reproduced in the laboratory: thawing soil cores at controlled temperature, nitrate and moisture yielded a large flush of N2O compared to an unfrozen control. The results indicate the importance of microbial N2O production during thaw for total annual N2O-emission.
AB - In an acid sandy loam soil (pH 3.8), field production of N2O was two orders of magnitude higher at thaw in the spring than at any time during the rest of the year. Soil thaw in midwinter did not result in any increase in N2O flux. Soil water content remained at, or above field capacity during measurements; nitrate was added in excess. This effect could be reproduced in the laboratory: thawing soil cores at controlled temperature, nitrate and moisture yielded a large flush of N2O compared to an unfrozen control. The results indicate the importance of microbial N2O production during thaw for total annual N2O-emission.
U2 - 10.1111/j.1365-2389.1990.tb00039.x
DO - 10.1111/j.1365-2389.1990.tb00039.x
M3 - Journal article
VL - 41
SP - 1
EP - 4
JO - Journal of Soil Sciences
JF - Journal of Soil Sciences
SN - 1351-0754
IS - 1
ER -
ID: 4625277