Organic Agriculural Science - Forschungsinformationssystem | Universität Kassel - CONVERIS Forschungsinformationsystem

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Organic Agriculural Science

University of Kassel » Fachbereiche » Faculty of Organic Agricultural Sciences » Boden- und Pflanzenbauwissenschaften

Phone:

+49 5542 98-1630

Fax:	+49 5542 98-1633

URL:	http://www.uni-kassel.de/agrar/dec/?language=de

Address:

Nordbahnhofstr. 1a
37213 Witzenhausen

Persons

Prof. Dr. Bernard Ludwig

Past Persons

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Projects

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04/2023 - 03/2026	Designed experiments for optimizing infrared spectroscopic characterizations and quantifications of soil organic matter at scales of increasing complexity: importance of band shifts, spectral variable selection and subtraction approaches
01/2022 - 11/2025	Combined use of laboratory-based and portable infrared and x-ray fluorescence spectroscopy approaches for the spatial-vertical characterization of samples of selected soil groups
04/2021 - 03/2024	Are interactions of labile substrates with biochars the key process explaining C stabilization by biochars? A proof of concept by isotopic approaches
02/2019 - 12/2020	PPP China ab 2018
04/2018 - 12/2021	Synergetic use of mobile and lab-based spectroscopic techniques (vis-NIR, lab and hand-held MIR, portable hyperspectral frame camera) to optimize the determination of soil properties with high variability in time and space
2016 - 2019	FOR 2432: Social-Ecological Systems in the Indian Rural-Urban Interface: Functions, Scales, and Dynamics of Transition - Teilprojekt: Intensivierungseffekte auf Stoffflüsse in Rural-Urbanen Anbausystemen in der Forschergruppe
2016 - 2019	Social-Ecological Systems in the Indian Rural-Urban Interface: Functions, Scales and Dynamics of Transition. Cluster A: Matter flows in rural-urban cropping systems
11/2014 - 06/2017	Understanding the role of root, mycorrhizal and microbial turnover in forest ecosystems
06/2013 - 2016	Effects of water content, input of roots and dissolved organic matter and spatial inaccessibility on C turnover & determination of the spatial variability of subsoil properties (Teilprojekt der Forschergruppe FOR 1806: Der vergessene Teil des Kohlenstoffkreislaufs: Lagerung und Umsatz des organischen Materials im Unterboden)
09/2011 - 2014	Bedeutung der Stickstoff-Aufnahmepfade von Mikroorganismen im Boden

Publications

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2 of 17

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2021	Engell, I., Linsler, D., Schrader, S., Taylor, A., Ludwig, B., Potthoff, M., 2021. Crop residue displacement by soil inversion: Annelid responses and their impact on carbon and nitrogen dynamics in a lab-based mesocosm study. Applied Soil Ecology 167, 104151. https://doi.org/10.1016/j.apsoil.2021.104151
2021	Ludwig, B., Greenberg, I., Sawallisch, A., Vohland, M., 2021. Diffuse reflectance infrared spectroscopy estimates for soil properties using multiple partitions: Effects of the range of contents, sample size, and algorithms. Soil Science Society of America Journal 85, 546–559. https://doi.org/10.1002/saj2.20205
2021	Ludwig, B., Song, X., Gunina, A., Greenberg, I., Dippold, M.A., Piepho, H.-P., 2021. Importance of sources of variability, scales and experimental design: A case study about the effects of biochar and slurry application on soil properties in agricultural silty loam soils. European Journal of Soil Science 72, 1954–1968. https://doi.org/10.1111/ejss.13120
2021	Greenberg, I., Seidel, M., Vohland, M., Ludwig, B., 2021. Performance of field‐scale lab vs in situ visible/near‐ and mid‐infrared spectroscopy for estimation of soil properties. European Journal of Soil Science 73, e13180. https://doi.org/10.1111/ejss.13180
2020	Vormstein, S., Kaiser, M., Piepho, H.-P., Ludwig, B., 2020. Aggregate formation an organo-minieral association affect characteristics of soil organic matter across soilhorizons and parent materials in temperatee broadleaf forest. Biogeochemistry 169–189. https://doi.org/10.1007/s10533-020-00652-z
2020	Vormstein, S., Kaiser, M., Piepho, H.-P., Ludwig, B., 2020. Amount and composition of organic matter associated with aggregate size and density fractions. Biogeochemistry 169–189. https://doi.org/10.1007/s10533-020-00652-z
2020	Song, X., Razavi, B.S., Ludwig, B., Zamanian, K., Zang, H., Kuzyakov, Y., Dippold, M.A., Gunina, A., 2020. Combined biochar and nitrogen application stimulates enzyme activity and root plasticity. Science of the Total Environment 735, 139393. https://doi.org/https://doi.org/10.1016/j.scitotenv.2020.139393
2020	Menon, M., Sarkar, B., Crotty, F., Whalley, R., Ludwig, B., 2020. Editorial for the Special Issue on `Opportunities and Challenges in No-Till Farming’. European Journal of Soil Science TBD. https://doi.org/10.1111/ejss.13038
2020	Cooper, J., Greenberg, I., Ludwig, B., Hippich, L., Fischer, D., Glaser, B., Kaiser, M., 2020. Effect of biochar and compost on soil properties and organic matter in aggregate size fractions under field conditions. Agriculture, Ecosystems and Environment 106882. https://doi.org/10.1016/j.agee.2020.106882
2020	Greenberg, I., Linsler, D., Vohland, M., Ludwig, B., 2020. Robustness of visible near‐infrared and mid‐infrared spectroscopic models to changes in the quantity and quality of crop residues in soil. Soil Science Society of America Journal 84, 963–977. https://doi.org/10.1002/saj2.20067

Other Research Activities

09/2022	Robustness of laboratory vs in situ mid-infrared spectroscopy for prediction of soil total and fraction organic carbon contents at the field and regional scale Presentation
12/2021	High-level Fusion of X-ray Fluorescence and Visible/Near- and Mid-Infrared Data Provides Robust Predictions for Diverse Soil Properties at the Field Scale Presentation
04/2019	Prediction of labile carbon pools in soil using near and middle infrared spectroscopy Presentation
08/2019-07/2019	Research Exchange with the Chinese Academy of Sciences Stay abroad
08/2019	Substitution of mineral fertilizers with biogas digestate plus biochar increases physically stabilized soil carbon but not crop biomass in a field trial Presentation
04/2017	Effect of mineral versus organic fertilizers in combination with biochar on aggregation and organic matter dynamics of a sandy soil Poster presentation
06/2016	Biomarkers in soil science: tracing the fate of plant and microbial originated C and N Presentation
06/2016	Sugars in soil – sweets for microorganisms? Presentation
06/2016	Turnover of microbial cell compartments based on isotope labeling Presentation
04/2011	European Geosciences Union General Assembly Conference or similar event