© Pixabay Downloads and links Downloads: Documents and attachments, test procedure list, certificates Link: Notification (Sewage sludge, soil / contaminated sites and biowaste) Link: ISTA scope of accreditation News 19.02.2026 Gift from the city of Speyer To mark our 150th anniversary in 2025, the city of Speyer has presented… more 28.01.2026 Sow twice - harvest better? Relay cropping put to the test Relay Cropping is an alternative farming system that combines two crops… more 27.01.2026 Practical findings on legume catch crops before corn The quasi-permanent ground cover provided by (legume) catch crops is a… more
