Dr. Alexander Konrad

Scientific Researcher
Institute of Soil Science and Soil Conservation, iFZ
Heinrich-Buff-Ring 26
35392 Giessen, Germany
Room: B227
Phone: +49(0)641 99 37112
Fax: +49(0)641 99 37109
Email: Alexander.Konrad
Fields of interest
- Carbon, nitrogen, and phosphorus dynamics in agricultural and forest ecosystems
- Interactions between inorganic and organic soil components
- Effects of pollutants on biogeochemical cycles
- Impact of land-use changes on nutrient and pollutant availability in agricultural ecosystems
Teaching
- Ecological Soil Functions (BP 64, WS)
- Environmental Protection Project: Soil (BP 71,SS)
- Project Study on Soil Functions (MP 148, SS)
Projects
- Mit generativer KI Böden verstehen
- Species composition and land use shape dissolved organic matter, composition and degradability (ShapeDOM), Sorption thermodymamics and aggregation as controls of substrate use and mineralization (Sub-Project of SPP 2322)
CV
- 10/2025 – today: Postdoctoral Researcher at the Institute of Soil Science and Soil Conservation, JLU Giessen
- 2020-2025: PhD Student at the Institute of Soil Science and Soil Conservation, JLU Giessen
- 2016-2019 Master of Science: Environmental Science, JLU Giessen
Thesis: Phosphorus desorption kinetics of natural nanoparticles and colloids from different forest soils - 2013-2016: Bachelor of Science: Environmental Management, JLU Giessen
Thesis: Soil protection issues in the planning of wind turbines
Peer-reviewed publications
Konrad, A., Mulder, I., Hofmann, D., Lang, F., Stutz, K. P., & Siemens, J. (2026). Thermodynamics of Organic Acid Sorption to Goethite. European Journal of Soil Science, 77(1), e70278.
Konrad, A., Hofmann, D., Siemens, J., Lang, F., Mulder, I. & Stutz, K. P., (2026). Rapid mineralization of mineral-bound carboxyl-carbon of salicylic acid and phenylalanine. Soil Biology and Biochemistry, 212, 110016.
Konrad, A., Hofmann, D., Siemens, J., Stutz, K.P., Lang, F., Mulder, I., (2025). Microbial carbon use efficiency of mineral-associated organic matter is related to its desorbability. Soil Biology & Biochemistry, 203, 109740.
Bramble, D.E., Ulrich, S., Schöning, I., Mikutta, R., Brandt, L., Poll, C., Kandeler, E., Mikutta, C., Konrad, A., Siemens, J., Yang, Y., Polle, A., Schall, P., Ammer, C., Kaiser, K., Schrumpf, M., (2024). Formation of mineral-associated organic matter in temperate soils is primarily controlled by mineral type and modified by land use and management intensity. Global Change Biology, 30(1), e17024.
Brandt, L., Stache, F., Poll, C., Bramble, D. S., Schöning, I., Schrumpf, M., et al. (2023). Mineral type and land-use intensity control composition and functions of microorganisms colonizing pristine minerals in grassland soils. Soil Biology and Biochemistry, 182, 109037.
Konrad A, Billiy B, Regenbogen P, Bol R, Lang F, Klumpp E, Siemens J., (2021). Forest Soil Colloids Enhance Delivery of Phosphorus Into a Diffusive Gradient in Thin Films (DGT) Sink. Frontiers in Forests and Global Change 3: 158.