Download: Top view of the experimental plots in Therwil (Switzland), where organic and conventional farming systems are compared in the 'DOK' trial since 1978. Photo: Hättenschwiler (FAL). (1940 KB)
Download: Assessing the mycorrhizal infection potential in wheat plots. More mycorrhizal fungi were found in organic than in conventional plots. Photo: Studer, Grosshöchststetten (CH). (941 KB)
Download: Mycorrhizal structures within a root and extraradical hyphae. These hyphae take up plant nutrients and help to build up stable soil aggregates. Photo: Mäder (FiBL). (958 KB)
Download: Assessing wheat growth in the field plots. Photo: Frei (FiBL). (1580 KB)
© 2008 FiBL Forschungsinstitut für biologischen Landbau Last Update 01.06.2004 | Comments: webmaster@fibl.org
The Science Paper Supplementary Material