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@ARTICLE{Wacha:903174,
author = {Wacha, Kenneth M. and Hatfield, Jerry L. and O'Brien, Peter
L. and Dold, Christian},
title = {{S}hort‐term effects of nitrogen source on soil
properties and plant growth},
journal = {Agrosystems, geosciences $\&$ environment},
volume = {4},
number = {2},
issn = {2639-6696},
address = {Hoboken, NJ},
publisher = {Wiley},
reportid = {FZJ-2021-04894},
pages = {e20176},
year = {2021},
abstract = {A randomized complete block design experiment was performed
in a growth chamber study to evaluate the short-term impact
of N amendment source on CO2 fluxes, aggregate stability,
and aboveground plant biomass. Large intact soil cores (n =
6) were each segmented into three subplot treatment sources:
(a) organic N (ORG-N); (b) inorganic N (UAN-32); and (c) no
N added (no-N), with both N sources applied at rates of 27.5
kg N ha–1. The experiment was run for 130 d, representing
one growing season of winter wheat (Triticum aestivum L.).
Soil CO2 fluxes accumulated during the growing season were
47.1, 36.6, and 24.6 mol m–2 for ORG-N, UAN-32, and no-N
treatments, respectively. Significantly higher aboveground
plant biomass was harvested in the N source treatments
compared with no-N. Aggregate stability in ORG-N was
significantly higher than inorganic sources, UAN-32 (p <
.05). This study highlights that even over a short-term
study, organic N sources can increase soil biological
activity and aggregation processes, indicating an increased
capacity for several soil functions.},
cin = {IBG-3},
ddc = {333.7},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {2173 - Agro-biogeosystems: controls, feedbacks and impact
(POF4-217)},
pid = {G:(DE-HGF)POF4-2173},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000667237000001},
doi = {10.1002/agg2.20176},
url = {https://juser.fz-juelich.de/record/903174},
}