Publications

Pätzold S., Ostermann M., Heggemann T., Wehrle R. (2023.0). Impact of potassium fertilisation on mobile proximal gamma-ray spectrometry: case study on a long-term field trial. Precision Agriculture, (), . doi:10.1007/s11119-023-10071-3

AbstractMobile proximal gamma-ray spectrometry (GS) is an emerging approach to estimate soil texture directly in the field. It relies on gamma radiation emitted during the natural decay of potassium-40 (K-40) and other isotopes. The K-40 counts are correlated with total K content, mineralogical soil…

Tavakoli H., Correa J., Sabetizade M., Vogel S. (2023.0). Predicting key soil properties from Vis-NIR spectra by applying dual-wavelength indices transformations and stacking machine learning approaches. Soil and Tillage Research, 229(), 105684. doi:10.1016/j.still.2023.105684

Soil visible and near-infrared (Vis-NIR) spectroscopy has been widely used for soil characterization, due to its high potential for assessing different soil properties. However, despite great successes achieved by applying the method, there is a potential for further improvement, especially regardin…

Sowoidnich K., Maiwald M., Ostermann M., Sumpf B. (2023.0). Shifted excitation Raman difference spectroscopy for soil component identification and soil carbonate determination in the presence of strong fluorescence interference. Journal of Raman Spectroscopy, (), . doi:10.1002/jrs.6500

AbstractDetailed knowledge about soil composition is an important prerequisite for many applications, for example precision agriculture. Current standard laboratory methods are complex and time‐consuming but could be complemented by non‐invasive optical techniques. Its capability to provide a molecu…

Erler A., Riebe D., Beitz T., Löhmannsröben H., Leenen M., Pätzold S., Ostermann M., Wójcik M. (2023.0). Mobile Laser-Induced Breakdown Spectroscopy for Future Application in Precision Agriculture—A Case Study. Sensors, 23(16), 7178. doi:10.3390/s23167178

In precision agriculture, the estimation of soil parameters via sensors and the creation of nutrient maps are a prerequisite for farmers to take targeted measures such as spatially resolved fertilization. In this work, 68 soil samples uniformly distributed over a field near Bonn are investigated usi…

Maiwald M., Sowoidnich K., Sumpf B. (2023.0). Pilot investigations on solids, liquids and gases using a portable shifted excitation Raman difference spectroscopy sensor system. , (), .

Proc. SPIE 12396, 1239602

Kersebaum K., Wallor E. (2023.0). Process-Based Modelling of Soil–Crop Interactions for Site-Specific Decision Support in Crop Management. , Cham: Springer International Publishing.

Spatial variation within fields influences soil water, nutrient and crop growth dynamics. Depending on climatic conditions, spatial patterns of yield are often not stable over time because weather conditions favour different processes from year to year. The same holds for rapidly fluctuating soil pr…

Nendel, C., Reckling, M., Debaeke, P., Schulz, S., Berg‐Mohnicke, M., Constantin, J., Fronzek, S., Hoffmann, M., Jakšić, S., Kersebaum, K.C.,Klimek‐Kopyra, A. (2023.0). Future area expansion outweighs increasing drought risk for soybean in Europe. Global Change Biology, 29(5), 1340-1358.

Rosso P., Wallor E., Richter L., Wehrhan M. (2022.0). Comparison of plant proximal sensing approaches for nitrogen supply detection in crops. Agronomy Journal, 114(6), 3317-3328. doi:10.1002/agj2.21189

AbstractNondestructive proximal sensors can be an efficient source of information of N status in crops for localized and rapid adjustment of fertilization applications. The aim of this study was to compare two transmittance/reflectance‐based sensors (SPAD, ASD) and a florescence‐based sensor (Multip…

Horf M., Bönecke E., Gebbers R., Kling C., Kramer E., Rühlmann J., Schröter I., Schwanghart W., Vogel S. (2023.0). Utility of visible and near-infrared spectroscopy to predict base neutralizing capacity and lime requirement of quaternary soils. Precision Agriculture, 24(1), 288-309. doi:10.1007/s11119-022-09945-9

AbstractDetailed knowledge of a soil’s lime requirement (LR) is a prerequisite for a demand-based lime fertilization to achieve the optimum soil pH and thus sustainably increasing soil fertility and crop yields. LR can be directly determined by the base neutralizing capacity (BNC) obtained by soil-b…

Maiwald M., Sowoidnich K., Sumpf B. (2022.0). Portable shifted excitation Raman difference spectroscopy for on‐site soil analysis. Journal of Raman Spectroscopy, 53(9), 1560-1570. doi:10.1002/jrs.6400

AbstractOn‐site soil analysis in the framework of precision agriculture is gaining significant importance to achieve improved crop productivity, increased soil health and reduced fertilizer application. In situ sensing techniques can provide the information required for decision support systems imme…