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Repeated measurements

(2 weekly/ monthly):

  • Soil moisture with permanent installed time domain reflectometers TDR (Campbell Scientific, type CS615) (10 cm and 40 cm depth) measured for each treatment every day.
  • Soil temperature at 10 cm depth measured every one hour.
  • Sediment loss every rainfall event.
  • Surface water runoff every 5 minutes.
  • Soil organic matter once for the whole period
  • Soil strength of moist soil (shear vane, in kPa)
  • Surface roughness (max difference microrelief in cm)
  • Steady state infiltration rate, using an Eijkelkamp - soil air permeameter.
  • Empty sediment tanks after each rainfall. Runoff is automatically recorded.