?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Langzeitversuch+Darmstadt&rft.subject=+Nutrient+turnover&rft.subject=+Cereals%2C+pulses+and+oilseeds&rft.subject=+Soil+biology&rft.subject=+Vegetables&rft.subject=+Biodiversity+and+ecosystem+services&rft.subject=+Soil+quality&rft.subject=+Composting+and+manuring&rft.subject=Post+harvest+management+and+techniques&rft.subject=+Weed+management&rft.subject=+Root+crops&rft.description=In+1980+a+fertilization+trial+started+at+the+Institute+for+Biodynamic+Research+in+Darmstadt%2C+Germany%2C+comprising+farmyard+manure+treatments+with+and+without+biodynamic+preparations+and+mineral+fertilization%2C+each+at+various+levels.+The+objective+of+the+project+was+to+study+the+product+quality+of+vegetables+and+of+rye.+After+this+four+year+project%2C+interesting+differences+began+to+emerge+with+respect+to+the+soil+parameters+of+organic+and+mineral+treatments.+Thus+the+trial+was+continued.+After+some+years+of+a+transitional+period+without+particular+investigations%2C+a+detailed+soil+biological+project+was+carried+out+in+1989-1991%2C+focusing+on+the+effects+of+fertilization+upon+C-+and+N-dynamics%2C+enzyme+activities+and+microbial+biomass+in+the+soil.+A+third+experimental+period+(from+1992+to+1999)+has+focused+on+the+yield+formation+of+cultivated+crops+and+the+long-term+effects+of+fertilization+treatments+upon+soil+and+crop+development.+From+2000+until+now%2C+the+effects+of+changed+fertilization+treatments+on+soil+organic+matter+development%2C+soil+biological+activity%2C+crop+growth+and+yield+is+investigated.&rft.type=Research+facility+description&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F5147%2F1%2Frabsss99.pdf&rft.identifier=%7BFacility%7D+Langzeitversuch+Darmstadt.+[Long-term+trial+Darmstadt.]+Start+1980.+Facility+Leader(s)%3A+Raupp%2C+Dr+Joachim%2C+IBDF+-+Institut+f%C3%83%C2%BCr+Biologisch-Dynamische+Forschung+e.V..+More+information+online+at+%3Chttp%3A%2F%2Fwww.biodynamic-research.net%2Frf%2Fb%2Fltt%2Flvda1+%3Chttp%3A%2F%2Fwww.biodynamic-research.net%2Frf%2Fb%2Fltt%2Flvda1%3E%3E.&rft.relation=http%3A%2F%2Forgprints.org%2F5147%2F