Wiesengut Biodynamic Long-term Experiment

This experiment has been added by the GLTEN Curators using existing published sources.
Objective
To investigate the effects of biodynamic compost preparations.
Data Access Statement
Don't know
Data license
Don't know
Data policy
Don't know
Organizations
Wiesengut Campus
experimental research station
University of Bonn
research organisation
People

Site: Experiment site

Type
research station field
Location
Hennef
North Rhine-Westphalia
Germany
Geographic location
50.786817, 7.275099
© OpenStreetMap contributors
Elevation
65 Metres
Visits permitted?
No
Management
The research farm is an organic certified farm. Agricultural practices, such as weed management, sowing, and soil preparation, were identical among all experimental plots.
Soil type
luvisol
Soil properties
VariableDepthValue (range)UnitsRef yearEstimated?Baseline?
soil pH0 – 30 Centimetres (5.34 – 5.39)
soil carbon to nitrogen ratio0 – 30 Centimetres (9.4 – 11.4)
plant available phosphorous0 – 30 Centimetres (51.9 – 72.7) mg P/kg
plant available potassium0 – 30 Centimetres (189.6 – 233.5) mg K/kg
Climatic type
temperate oceanic climate
Climate properties
VariableTime periodValue (range)Units
air temperature9.5 degree Celsius
precipitation700 millimeter

Design period: (1993—)

Design Type
Randomized complete block design
Design description
Plots measure 6 x 10m.
Number of plots
24
Number of replicates
4
Crops
CropYears grown
grass clover leys
potatoes
winter wheat
faba beans
spring wheat
winter rye
Crop Rotation
Unnamed
  • 1
    grass clover leys
    undersown in winter rye
  • 2
    potatoes
  • 3
    winter wheat
  • 4
    faba beans
  • 5
    spring wheat
  • 6
    winter rye
Factor
Factor name
Factor levels
natural fertilizer exposure
control exposure  (0 )
No organic or biodynamic amendments
farmyard manure  (30 t/ha)
Applied to crop: All crops
Application frequency: annually in spring
Application method: by hand
Chemical form: farmyard manure
biodynamic agriculture +  (30 t/ha)
Applied to crop: All crops
Application frequency: annually in spring
Application method: by hand
Chemical form: farmyard manure
FYM with biodynamic compost preparation of yarrow (Achillea) blossoms.
farmyard manure +  (30 t/ha)
Applied to crop: All crops
Application frequency: annually in spring
Application method: by hand
Chemical form: farmyard manure
FYM with biodynamic compost preparation of flowers of yarrow, chamomile, dandelion, stinging nettle shoots, oak bark and valerian extract.
Measurement
VariableMaterialUnitsFrequencyScaleComment
soil propertiesNot specified

Related publications

  • Rodas-Gaitan, H., Fritz, J., Dahn, C. et al. Biodynamic compost effects on soil parameters in a 27-year long-term field experiment. Chem. Biol. Technol. Agric. 9, 74 (2022)
  • Zaller, J.G., Köpke, U. Effects of traditional and biodynamic farmyard manure amendment on yields, soil chemical, biochemical and biological properties in a long-term field experiment. Biol Fertil Soils 40, 222–229 (2004)