Charred organic mater and phosphorus in black soils in the Lower Rhine Basin (Northwest Germany) indicate prehistoric agricultural burning.

von Eckmeier, E.
Veröffentlicht in Charcoals from the Past. Cultural and Palaeoenvironmental Implications. Proceedings of the Third International Meeting of Anthracology, Cavallino - Lecce (Italy), June 28th - July 1st 2004.
Oxford : Archaeopress, 2008.
Umfang/Format: 93-103 : Abb.