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Long-term field experiments

Within the framework of Soil3, long-term field experiments throughout Germany are being used to understand, based on recorded yield, soil and climate data as well as our own investigations, the site-specific interactions of various factors on subsoil processes, as well as the long-term effects (up to > 100 years) of various conventional agricultural methods.

LTFE en

Sites of the long-term field experiments:

Rauischholzhausen (Justus-Liebig-Universität Gießen):

  • International Organic Nitrogen Fertilization Experiment (IOSDV)
  • Soil Tillage Experiment

Gießen (Justus-Liebig-Universität Gießen):

  • Biological Nitrogen Fixation (BSG)
  • Depletion Experiment

Freising-Weihenstephan (Technische Universität München):

  • Liming Experiment Dürnast II
  • Scheyern

Müncheberg (Leibniz-Zentrum für Agrarlandschaftsforschung):

  • Fertilization and Nutrient Gradient Experiment V140

Thyrow (Humboldt-Universität zu Berlin):

  • Static Fertilization and Irrigation Experiment D-I
  • Static Nutrient Depletion Experiment D-IV

Berlin-Dahlem (Humboldt-Universität zu Berlin):

  • Static Soil Use Experiment D-III

Bonn (Rheinische Friedrich-Wilhelms-Universität Bonn):

  • CeFit Klein-Altendorf
  • Long-term Fertilization Experiment Dikopshof

Göttingen (Georg-August-Universität Göttingen):

  • Soil Management Experiment Garte Süd

Investigated parameters and features:

  • yields of field crops
  • various parameters of root growth such as root length density
  • basic soil properties such as bulk density, carbon and nitrogen stocks, pH, texture, electrical conductivity
  • nutrient contents and nutrient use efficiency
  • water contents and water dynamics
  • subsoil heterogeneity in terms of carbon contents and biopores
  • composition and functional properties of the microbial community, root pathogens

 

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