Potassium Long-term Field Experiment

This experiment has been added by the GLTEN Curators using existing published sources.
Objective
To study the effects of potassium fertilization
Data Access Statement
Don't know
Data license
Don't know
Data policy
Don't know
Organizations
Reinshof Experimental Station
experimental research station
Georg-August-University Göttingen
research organisation
People

Site: experiment site

Type
research station field
Location
Göttingen
Lower Saxony
Germany
Geographic location
51.483719, 9.930844
+−
© OpenStreetMap contributors
Elevation
150 Metres
Visits permitted?
No
Soil type
luvisol
Soil properties
VariableDepthValue (range)UnitsRef yearEstimated?Baseline?
sand content 23 Percent
silt content 61 Percent
clay content 16 Percent
Climatic type
temperate oceanic climate
Climate properties
VariableTime periodValue (range)Units
precipitation645 millimeter
air temperature8.7 degree Celsius

Design period: (1983—)

Design Type
Randomized complete block design
Design description
Plots measure 12 x 12 m. Sugar beet was reintegrated into the crop rotation in 2018.
Number of plots
48
Crops
CropYears grown
sugar beet
winter wheat
winter barley
rapeseed
Crop Rotations
SB-WW-WB  1983—2005
  • 1
    sugar beet
  • 2
    winter wheat
  • 3
    winter barley
SB-WW-WR  2006—2017
  • 1
    sugar beet
  • 2
    winter wheat
  • 3
    rapeseed
Factor
Factor name
Factor levels
potassium fertilizer exposure
K0  (0 )
No potassium applied since 1983, crop residues removed
K29  (29 kgK/ha)
Application frequency: annually
Corresponds to 0.5 times the average annual K removal of crops in the rotation
K58  (58 kgK/ha)
Applied to crop: All crops
Application frequency: annually
Corresponds to 1 times the average annual K removal of crops in the rotation
K87  (87 kgK/ha)
Applied to crop: All crops
Application frequency: annually
Corresponds to 1.5 times the average annual K removal of crops in the rotation
K174  (174 kgK/ha)
1983—1994
Applied to crop: All crops
Application frequency: annually
Corresponds to 3 times the average annual K removal of crops in the rotation
K524  (524 kg potassium per hectare)
1983—1994
Applied to crop: All crops
Application frequency: annually
Corresponds to 9 times the average annual K removal of crops in the rotation
K174 / third year  (174 kgK/ha)
1995—
Applied to crop: All crops
Application frequency: Every 3 year
K58 SB  (58 kgK/ha)
Applied to crop: sugar beet
Application frequency: Every 3 years
K174  (174 kgK/ha)
Applied to crop: sugar beet
Application frequency: Every 3 years
Measurements
VariableMaterialUnitsFrequencyScaleComment
yield traitNot specified
sugar contentsugar beet

Related publications

  • Füllgrabe, H., Claassen, N., Hilmer, R., Koch, H.-J., Dittert, K., & Kreszies, T. (2022). Potassium deficiency reduces sugar yield in sugar beet through decreased growth of young plants. Journal of Plant Nutrition and Soil Science, 185, 545– 553.
  • Römer, W., Claassen, N., Steingrobe, B. and Märländer, B. (2004), Reaktion der Zuckerrübe (Beta vulgaris var. altissima) auf die Kaliumdüngung – ein 20-jähriger Feldversuch. Z. Pflanzenernähr. Bodenk., 167: 726-735.