Straw amendment and nitrification inhibitor controlling N losses and immobilization in a soil cooling-warming experiment

Research output: Journal contributionsJournal articlesResearch

Standard

Straw amendment and nitrification inhibitor controlling N losses and immobilization in a soil cooling-warming experiment. / Chen, Hao; Rosinger, Christoph; Blagodatsky, Sergey et al.
In: Science of the Total Environment, Vol. 870, 162007, 20.04.2023.

Research output: Journal contributionsJournal articlesResearch

Harvard

Chen, H, Rosinger, C, Blagodatsky, S, Reichel, R, Li, B, Kumar, A, Rothardt, S, Luo, J, Brüggemann, N, Kage, H & Bonkowski, M 2023, 'Straw amendment and nitrification inhibitor controlling N losses and immobilization in a soil cooling-warming experiment', Science of the Total Environment, vol. 870, 162007. https://doi.org/10.1016/j.scitotenv.2023.162007

APA

Chen, H., Rosinger, C., Blagodatsky, S., Reichel, R., Li, B., Kumar, A., Rothardt, S., Luo, J., Brüggemann, N., Kage, H., & Bonkowski, M. (2023). Straw amendment and nitrification inhibitor controlling N losses and immobilization in a soil cooling-warming experiment. Science of the Total Environment, 870, Article 162007. https://doi.org/10.1016/j.scitotenv.2023.162007

Vancouver

Chen H, Rosinger C, Blagodatsky S, Reichel R, Li B, Kumar A et al. Straw amendment and nitrification inhibitor controlling N losses and immobilization in a soil cooling-warming experiment. Science of the Total Environment. 2023 Apr 20;870:162007. Epub 2023 Feb 2. doi: 10.1016/j.scitotenv.2023.162007

Bibtex

@article{8384e585cfa749e88443f614a957b0f5,
title = "Straw amendment and nitrification inhibitor controlling N losses and immobilization in a soil cooling-warming experiment",
abstract = "It is common practice in agriculture to apply high‑carbon amendments, e.g. straw, or nitrification inhibitors (NI) to reduce soil nitrogen (N) losses. However, little is known on the combined effects of straw and NI and how seasonal soil temperature variations further affect N immobilization. We conducted a 113-day mesocosm experiment with different levels of 15N-fertilizer application (N0: control; N1: 125 kg N ha−1; N2: 250 kg N ha−1) in an agricultural soil, amended with either wheat straw, NI or a combination of both in order to investigate N retention and loss from soil after a cooling-warming phase simulating a seasonal temperature shift, i.e., 30 days cooling phase at 7 °C and 10 days warming phase at 21 °C. Subsequently, soils were planted with barley as phytometers to study 15N-transfer to a following crop.Straw addition significantly reduced soil N-losses due to microbial N immobilization. Although carbon added as straw led to increased N2O emissions at high N fertilization, this was partly counterbalanced by NI. Soil cooling-warming strongly increased ammonification (+77 %), while nitrification was suppressed, and straw-induced microbial N immobilization dominated. N immobilized after straw addition was mineralized at the end of the experiment as indicated by structural equation models. Re-mineralization in N2 was sufficient, but still suboptimal in N0 and N1 at critical times of early barley growth. N-use efficiency of the 15N tracer decreased with fertilization intensity from 50 % in N1 to 35 % in N2, and straw amendment reduced NUE to 25 % at both fertilization rates. Straw amendment was most powerful in reducing N-losses (−41 %), in particular under variable soil temperature conditions, but NI enforced its effects by reducing N2O emission (−40 %) in N2 treatment. Sufficient N-fertilization coupled with straw application is required to adjust the timely re-mineralization of N for subsequent crops.",
keywords = "Ecosystems Research, 15N labelling, N immobilization, Nitrification, Nitrogen use efficiency, Soil microbial biomass, Temperature effect, N immobilization, Nitrification, Soil microbial biomass, Temperature effect, 15N labelling, Nitrogen use efficiency",
author = "Hao Chen and Christoph Rosinger and Sergey Blagodatsky and R{\"u}diger Reichel and Bo Li and Amit Kumar and Steffen Rothardt and Jie Luo and Nicolas Br{\"u}ggemann and Henning Kage and Michael Bonkowski",
note = "Publisher Copyright: {\textcopyright} 2023 Elsevier B.V.",
year = "2023",
month = apr,
day = "20",
doi = "10.1016/j.scitotenv.2023.162007",
language = "English",
volume = "870",
journal = "Science of the Total Environment",
issn = "0048-9697",
publisher = "Elsevier B.V.",

}

RIS

TY - JOUR

T1 - Straw amendment and nitrification inhibitor controlling N losses and immobilization in a soil cooling-warming experiment

AU - Chen, Hao

AU - Rosinger, Christoph

AU - Blagodatsky, Sergey

AU - Reichel, Rüdiger

AU - Li, Bo

AU - Kumar, Amit

AU - Rothardt, Steffen

AU - Luo, Jie

AU - Brüggemann, Nicolas

AU - Kage, Henning

AU - Bonkowski, Michael

N1 - Publisher Copyright: © 2023 Elsevier B.V.

PY - 2023/4/20

Y1 - 2023/4/20

N2 - It is common practice in agriculture to apply high‑carbon amendments, e.g. straw, or nitrification inhibitors (NI) to reduce soil nitrogen (N) losses. However, little is known on the combined effects of straw and NI and how seasonal soil temperature variations further affect N immobilization. We conducted a 113-day mesocosm experiment with different levels of 15N-fertilizer application (N0: control; N1: 125 kg N ha−1; N2: 250 kg N ha−1) in an agricultural soil, amended with either wheat straw, NI or a combination of both in order to investigate N retention and loss from soil after a cooling-warming phase simulating a seasonal temperature shift, i.e., 30 days cooling phase at 7 °C and 10 days warming phase at 21 °C. Subsequently, soils were planted with barley as phytometers to study 15N-transfer to a following crop.Straw addition significantly reduced soil N-losses due to microbial N immobilization. Although carbon added as straw led to increased N2O emissions at high N fertilization, this was partly counterbalanced by NI. Soil cooling-warming strongly increased ammonification (+77 %), while nitrification was suppressed, and straw-induced microbial N immobilization dominated. N immobilized after straw addition was mineralized at the end of the experiment as indicated by structural equation models. Re-mineralization in N2 was sufficient, but still suboptimal in N0 and N1 at critical times of early barley growth. N-use efficiency of the 15N tracer decreased with fertilization intensity from 50 % in N1 to 35 % in N2, and straw amendment reduced NUE to 25 % at both fertilization rates. Straw amendment was most powerful in reducing N-losses (−41 %), in particular under variable soil temperature conditions, but NI enforced its effects by reducing N2O emission (−40 %) in N2 treatment. Sufficient N-fertilization coupled with straw application is required to adjust the timely re-mineralization of N for subsequent crops.

AB - It is common practice in agriculture to apply high‑carbon amendments, e.g. straw, or nitrification inhibitors (NI) to reduce soil nitrogen (N) losses. However, little is known on the combined effects of straw and NI and how seasonal soil temperature variations further affect N immobilization. We conducted a 113-day mesocosm experiment with different levels of 15N-fertilizer application (N0: control; N1: 125 kg N ha−1; N2: 250 kg N ha−1) in an agricultural soil, amended with either wheat straw, NI or a combination of both in order to investigate N retention and loss from soil after a cooling-warming phase simulating a seasonal temperature shift, i.e., 30 days cooling phase at 7 °C and 10 days warming phase at 21 °C. Subsequently, soils were planted with barley as phytometers to study 15N-transfer to a following crop.Straw addition significantly reduced soil N-losses due to microbial N immobilization. Although carbon added as straw led to increased N2O emissions at high N fertilization, this was partly counterbalanced by NI. Soil cooling-warming strongly increased ammonification (+77 %), while nitrification was suppressed, and straw-induced microbial N immobilization dominated. N immobilized after straw addition was mineralized at the end of the experiment as indicated by structural equation models. Re-mineralization in N2 was sufficient, but still suboptimal in N0 and N1 at critical times of early barley growth. N-use efficiency of the 15N tracer decreased with fertilization intensity from 50 % in N1 to 35 % in N2, and straw amendment reduced NUE to 25 % at both fertilization rates. Straw amendment was most powerful in reducing N-losses (−41 %), in particular under variable soil temperature conditions, but NI enforced its effects by reducing N2O emission (−40 %) in N2 treatment. Sufficient N-fertilization coupled with straw application is required to adjust the timely re-mineralization of N for subsequent crops.

KW - Ecosystems Research

KW - 15N labelling

KW - N immobilization

KW - Nitrification

KW - Nitrogen use efficiency

KW - Soil microbial biomass

KW - Temperature effect

KW - N immobilization

KW - Nitrification

KW - Soil microbial biomass

KW - Temperature effect

KW - 15N labelling

KW - Nitrogen use efficiency

UR - https://www.mendeley.com/catalogue/ab77d0cb-401d-34bd-826c-999587cdeb6d/

UR - http://www.scopus.com/inward/record.url?scp=85147607321&partnerID=8YFLogxK

U2 - 10.1016/j.scitotenv.2023.162007

DO - 10.1016/j.scitotenv.2023.162007

M3 - Journal articles

C2 - 36739009

VL - 870

JO - Science of the Total Environment

JF - Science of the Total Environment

SN - 0048-9697

M1 - 162007

ER -