Details
| Original language | English |
|---|---|
| Article number | 114806 |
| Journal | GEODERMA |
| Volume | 384 |
| Publication status | Published - 15 Feb 2021 |
| Externally published | Yes |
Abstract
A recent meta-analysis (Zhang et al., 2020) stated that acidification induced by nitrogen (N) (over)fertilization increases soil organic carbon (SOC) accumulation. This Letter disagrees with that statement regarding acidification effects on SOC accumulation. We especially wish to show how processing of large datasets might mislead conclusions, and may have fatal consequences for land management. Another crucial point we wish to raise is that the role of carbonates for carbon stocks and induced CO2 losses to the atmosphere has been completely disregarded in the soil acidification discussion.
Keywords
- Calcium carbonate losses, Carbon sequestration, Nitrogen fertilization excess, Organic matter decomposition, Soil acidification, Statistical analyses
ASJC Scopus subject areas
- Agricultural and Biological Sciences(all)
- Soil Science
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In: GEODERMA, Vol. 384, 114806, 15.02.2021.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Letter-to-the-Editor
T2 - Does acidification really increase soil carbon in croplands? How statistical analyses of large datasets might mislead the conclusions
AU - Kuzyakov, Yakov
AU - Kuzyakova, Irina
AU - Raza, Sajjad
AU - Zhou, Jianbin
AU - Zamanian, Kazem
N1 - Publisher Copyright: © 2020 Elsevier B.V.
PY - 2021/2/15
Y1 - 2021/2/15
N2 - A recent meta-analysis (Zhang et al., 2020) stated that acidification induced by nitrogen (N) (over)fertilization increases soil organic carbon (SOC) accumulation. This Letter disagrees with that statement regarding acidification effects on SOC accumulation. We especially wish to show how processing of large datasets might mislead conclusions, and may have fatal consequences for land management. Another crucial point we wish to raise is that the role of carbonates for carbon stocks and induced CO2 losses to the atmosphere has been completely disregarded in the soil acidification discussion.
AB - A recent meta-analysis (Zhang et al., 2020) stated that acidification induced by nitrogen (N) (over)fertilization increases soil organic carbon (SOC) accumulation. This Letter disagrees with that statement regarding acidification effects on SOC accumulation. We especially wish to show how processing of large datasets might mislead conclusions, and may have fatal consequences for land management. Another crucial point we wish to raise is that the role of carbonates for carbon stocks and induced CO2 losses to the atmosphere has been completely disregarded in the soil acidification discussion.
KW - Calcium carbonate losses
KW - Carbon sequestration
KW - Nitrogen fertilization excess
KW - Organic matter decomposition
KW - Soil acidification
KW - Statistical analyses
UR - http://www.scopus.com/inward/record.url?scp=85096855836&partnerID=8YFLogxK
U2 - 10.1016/j.geoderma.2020.114806
DO - 10.1016/j.geoderma.2020.114806
M3 - Article
AN - SCOPUS:85096855836
VL - 384
JO - GEODERMA
JF - GEODERMA
SN - 0016-7061
M1 - 114806
ER -