|Start:||1 November 2021|
|Aim:||ProbeField: A novel protocol for robust in field monitoring of carbon stocks and soil fertility based on proximal sensors and existing soil spectral libraries|
|Keywords:||Soil spectroscopy, vis-NIRS, proximal soil sensors, in-situ analysis, field analysis, soil fertility, soil properties, SOC stocks.|
Project Coordinator: Bo Stenberg (firstname.lastname@example.org)
Project communication representative: Maria Knadel (email@example.com).
Quick and simple soil analyses directly in the field through proximal sensing have the potential to substantially gear up the number of samples analysed. To meet the growing demand for fast and cheap analysis of soils ProbeField will focus on visible and near infrared spectroscopy (vis-NIRS) as an alternative tool to expensive and time-consuming conventional methods. The vis-NIRS technique has many advantages required for field analyses of soil properties. There are, however, drawbacks to be overcome. In contrast to lab spectroscopy, variable moisture and structure in the field will hamper reliability of analyses. ProbeField will test and suggest the most optimal physical and mathematical procedures to manage these problems. A wide range of soil properties will be analysed and 3D mapping will be performed to estimate for example carbon stocks. A best practice protocol will be produced.
The overall goal of ProbeField is to develop a set of procedures and methodologies presented in a protocol for reliable in field point estimates of fertility related properties in agricultural soils. In addition, the potential of taking data further to two and three-dimensional mapping by aid of co-variates will be illustrated. This approach will include estimations of carbon stocks, which require not only knowledge of organic matter concentrations, but also of in-situ properties like depth of the relevant horizon as well as soil density.
ProbeField is fully aligned with the focus of the DATA1 call on “Innovative techniques to monitor SOC stocks and soil degradation/restoration changes in the EU, using spectral systems/NIRS/MIRS, and other proximal sensing tools in the field”.
As most research projects ProbeField is structured in work packages (Figure 1).