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Table 1 Properties of three soils from railway tracks and a crushed sand (fraction < 2 mm)

From: Degradation and sorption of the herbicides 2,4-D and quizalofop-P-ethyl and their metabolites in soils from railway tracks

  Erlenbach EB Münchenbuchsee MBS Müntschemier MR Crushed Sand CS
Coordinates 47° 18′ 21″ N
8° 35′ 31″ E
47° 02′ 05″ N
7° 25′ 09″ E
46° 59′ 39″ N
7° 08′ 17″ E
Altitude [m] 418 532 434
Sand [%] 78.5 60.5 65.7 83.5
Silt [%] 13.5 24.2 25.2 11.9
Clay [%] 8.0 15.3 9.1 4.6
Organic carbon, Corg [%] 0.15 0.31 < 0.06 < 0.06
pH (CaCl2)a 7.67 7.64 7.60 7.47
Water holding capacity [g water per g dry soil] 0.24 0.28 0.24 0.20
Cation exchange capacity [meq/100 g] 18 8 4 36
Basal respiration [mg CO2-C/kg soil × h]b 0.10 0.11 0.10 0.07
  1. aSuspension of soil in 0.01 M CaCl2, 1:5 (w/w)
  2. bDetermined 11 weeks before start of degradation experiments