Circular Agronomics > Circular Agronomics tests effects of biogas fertilisers in Germany

Circular Agronomics’ first sampling in Brandenburg, Germany (13-15 May 2019) included 48 soil cores within a one-metre depth of the long-term field trial, running since 2011, to test the effect of different biogas fertilisers on plant and soil properties.

In the following weeks, the samples will be processed at the Technische Universitaet Muenchen, (Germany) and Wageningen University Research (the Netherlands) to achieve a full-profile assessment of the carbon (C), nitrogen (N) and phosphorus (P) distribution, stability and bio-availability of up to one-metre depth. A combination of traditional bulk chemical analyses and state-of-the-art imaging techniques will be used.

Undisturbed soil cores will be scanned using a hyperspectral camera to reveal hotspots of C and N storage in the soil profile at the micro scale.

Henk Martens (Wageningen University Research); Yaser Ostovari, Emily Overturf and Anke Neumeier (Technische Universitaet Muenchen); and Andreas Muskolus (Institute Fur Agrar-UND Stadtokologische Projekte An Der Humboldt, Germany) participated in the sampling.

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