PhD EPS-based solutions to increase soil structure and resilience to drought

PhD EPS-based solutions to increase soil structure and resilience to drought

Postdoctoral Research Associate in Architecture

PhD EPS-based options to extend soil construction and resilience to drought

Analysis challenges – Regardless of the popularity of the optimistic impact of EPS on soil construction and a long time of analysis on the commercial potential of EPS (e.g. as bio lubricants, thickener and preservatives), the usage of EPS-based merchandise in agriculture as soil improver remains to be very restricted. As well as, our information on EPS composition, construction and performance, is much from full. Gaining understanding of the function of EPS in figuring out soil construction and mixture stability and elucidation of the mechanisms that regulate the biosynthesis of EPS in soils, may allow the usage of EPS-based answer in agriculture to enhance soil construction and stop soil degradation.

Aims and methodology – The PhD mission goals to elucidate the impact of various kinds of soil amendments (advanced in addition to extra readily biodegradable substrates), and of various carbon to nitrogen ratio’s on the event of microbial communities within the soil, notably on EPS producing and degrading microbes. The final word objectives of the mission is to develop nature-based options to extend soil construction and resilience to drought. To succeed in this purpose we are going to determine key microbial teams accountable in soils for EPS manufacturing. We’ll check abiotic circumstances (i.e. C:N ratio, nutrient availability) that will set off EPS formation and thus affect soil properties.

We ask

We’re on the lookout for a extremely motivated soil scientist with a powerful curiosity in (soil) microbiology, chemistry and with an affinity for agriculture (MSc diploma). The best candidates ought to be a staff participant with wonderful communication abilities. Data of microbial characterization and expertise with microbiome analyses is taken into account a bonus.

We provide

Wageningen College & Analysis presents wonderful phrases of employment. A number of highlights from our Collective Labour Settlement embrace:

  • sabbatical depart, research depart, and paid parental depart;
  • working hours that may be mentioned and organized in order that they permit for the very best work-life stability;
  • the choice to accrue extra vacation hours by working extra, as much as 40 hours per week;
  • there’s a sturdy deal with vitality and you may make use of the sports activities amenities out there on campus for a small charge;
  • a set December bonus of 8.3%;
  • wonderful pension scheme.

Along with these first-rate worker advantages, you’ll in fact obtain wage.

Extra info

Tutorial Supervisor(s): prof. Hardy Temmink (Wageningen College – Environmental know-how (ETE) and Prof. Martijn Bezemer (Leiden College – Institute of Biology Leiden)
Wetsus Supervisor: dr. Valentina Sechi (Theme coordinator Soil)
College promotor: Prof. dr. ir Cees J.N. Buisman – Environmental Know-how (ETE), Wageningen College

You possibly can apply by deciding on your emptiness on Purposes on to WUR won’t be considered. The process to use is written intimately on

Solely purposes which might be full, in English, and submitted by way of the applying webpage earlier than the deadline shall be thought-about eligible.

Key phrases: Extracellular polymeric substances, soil construction, mixture stability, microbial group, water retention


Nearly 40% of the full agricultural land in Europe is vulnerable to soil degradation, at a reasonable and even extreme stage. Local weather change, accompanied by growing temperatures and fewer frequent however extra intense rainfall occasions accelerates soil degradation and additional decreases the capability of soils to retailer and launch the water and vitamins required for plant progress. Soil aggregates, made from particles held collectively by cohesive forces and natural matter are the essential items that type the soil construction and decide the bodily and mechanical properties of soil, together with water retention, water motion and aeration. Microbial organisms and their metabolic merchandise have an effect on soil construction by binding free soil particles into secure aggregates. Particularly, extracellular polymeric substances (EPS), produced by soil microorganisms, are recognized to have optimistic impact on water retention and mixture stability.
Due to this fact, agricultural methods that improve EPS manufacturing have the potential to enhance soil construction and thus enhance the power of soil to retailer and supply water to vegetation in periods of drought.

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