Fig. 3
From: Formation and decay of peat bogs in the vegetable belt of Switzerland
Impressions of the investigation area ('Grosses Moos'): (1–5) actual agricultural land use [rice (newly introduced; (1), organic fertilising (2), carrots (3), ploughed arable land (4), potatoes (5)] and some typical soils with a deep-ploughed soil (right part of the picture) using a rotation system, b remaining peat bog in a forest, c deep-ploughed soil and layer (0–20 cm) with normal ploughing system, d peat bog having lake marl interlayers (forest; site S1; Fig. 4; aerial photo: Google Earth)