Publications

Wagner, P., Marz, M. (2017). Precision Farming - Direkte und indirekte Erhebung von Makronährstoffen. Bonn, Germany: Ruckelshausen, A. et.al. (Hrsg.)(2015).

Wagner, P., Marz, M. (2017). Precision Farming - Langzeitversuche mit Grunddüngungsstrategie. In: Ruckelshausen,. Informatik in der Land-, Forst- und Ernährungswirtschaft, 3537/20152017(), 157-160.

(2017): (2015): , Gesellschaft für Informatik e.V. (GI), Bonn, S. .

Heggemann T., Welp G., Amelung W., Angst G., Franz S., Koszinski S., Schmidt K., Pätzold S. (2017). Proximal gamma-ray spectrometry for site-independent in situ prediction of soil texture on ten heterogeneous fields in Germany using support vector machines. Soil and Tillage Research, 168(), 99-109. doi:10.1016/j.still.2016.10.008

Gamma spectrometric field measurements may provide high resolution information on topsoil texture. Yet, calibrations for the estimation of texture data usually have to be done site-specifically. The lack of site-independent calibrations thus limits the easy and universal use of proximal gamma-ray se…

Mizgirev, A., Chudy, T., Marz, M., Wagner, P., Rühlmann, J. (2017). Sensor Fusion - Evaluierung der Eignung von geoelektrischer und Gammasensorik für die indirekte Bestimmung von Phosphor im Boden. Informatik in der Land-, Forst- und Ernährungswirtschaft, 37(), 105-108.

Dworak V., Mahns B., Selbeck J., Gebbers R., Weltzien C. (2017). Terahertz Spectroscopy for Proximal Soil Sensing: An Approach to Particle Size Analysis. Sensors, 17(10), 2387. doi:10.3390/s17102387

Spatially resolved soil parameters are some of the most important pieces of information for precision agriculture. These parameters, especially the particle size distribution (texture), are costly to measure by conventional laboratory methods, and thus, in situ assessment has become the focus of a n…

Heil K., Schmidhalter U. (2017). The Application of EM38: Determination of Soil Parameters, Selection of Soil Sampling Points and Use in Agriculture and Archaeology. Sensors, 17(11), 2540. doi:10.3390/s17112540

Fast and accurate assessment of within-field variation is essential for detecting field-wide heterogeneity and contributing to improvements in the management of agricultural lands. The goal of this paper is to provide an overview of field scale characterization by electromagnetic induction, firstly …

Ostermann, M., Schmid, T., Büchele, D., Rühlmann, M. (2016). In Echtzeit quer durchs Perioden­system - Per Online-RFA und -LIBS Elementgehalte in Böden bestimmen. Laborpraxis, 40(12), 22-24.

In-situ shifted excitation Raman difference spectroscopy (SERDS) experiments are presented using a portable sensor system. Key elements of this system are an in-house developed handheld probe with an implemented dual-wavelength diode laser at 785 nm. An optical power of 120 mW is achieved ex probe. …