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. Author manuscript; available in PMC: 2022 Aug 3.
Published in final edited form as: Nat Ecol Evol. 2022 Jul 7;6(8):1145–1154. doi: 10.1038/s41559-022-01799-8

Figure 1.

Figure 1

Experimental set-up using Plantago lanceolata as model plant in pots (l = 12.5 cm, w = 8 cm, h = 8.5 cm) containing three compartments. The plant zone (compartment a) and the buffer zone (compartment b) were filled with the collected field soils. The compartment c contained a standardized, sterilized soil which was injected with the tracer 33P. Compartment a was separated from b using a 40 µm mesh (narrow dashed line), restricting root penetration. The mash barrier between b and c compartments had a pore size of 500 µm (wide dashed line).