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You searched for: Journal Soil biology & biochemistry Remove constraint Journal: Soil biology & biochemistry Source 2018 v.124 Remove constraint Source: 2018 v.124 Subject microbial biomass Remove constraint Subject: microbial biomass Subject ammonium sulfate Remove constraint Subject: ammonium sulfate
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1. Contrasting effects of organic and mineral nitrogen challenge the N-Mining Hypothesis for soil organic matter priming

Author:
Mason-Jones, Kyle; Schmücker, Niklas; Kuzyakov, Yakov
Source:
Soil biology & biochemistry 2018 v.124 pp. 38-46
ISSN:
0038-0717
Subject:
carbon dioxide; mineralization; radionuclides; isotope labeling; glucose; nitrogen; soil organic matter; alanine; deamination; microbial biomass; microorganisms; soil; carbon; carbon nitrogen ratio; extracellular enzymes; mining; ammonium sulfate; prediction
Abstract:
... Addition of easily available organic substances to soil often increases the CO₂ efflux from pre-existing soil carbon (C). This phenomenon is often explained in terms of the Nitrogen (N)-Mining Hypothesis. According to this proposed – but never conclusively proven – mechanism, increased C availability induces N limitation in microbes, which then access N by degrading soil organic matter (SOM) – a p ...
DOI:
10.1016/j.soilbio.2018.05.024