Facilitated transport of pesticides
TABLE 3.6.
EQUILIBRIUM SORPTION-COEFFICIENT VALUES FOR DIFFERENT FRACTION OF SOIL FROM THE TEST SITE
RØRRENDEGÅRD. ONE REFRACTORY SOIL ORGANIC MATTER SAMPLE FROM A DIFFERENT SITE (IN NORTHERN
JUTLAND) INCLUDED.
TABEL 3.6.
LIGEVÆGTS-SORPTIONS-KOEFFICIENTER FOR FORSKELLIGE FRAKTIONER AF JORD FRA TEST-FACILITETEN
RØRRENDEGAARD. ÉN PRØVE AF SVÆRT NEDBRYDELIGT ORGANISK STOF FRA JORDEN FRA EN ANDEN
FELTLOKALITET (I NORDJYLLAND) INKLUDERET.
Fraction
Organic C
content
%
Average Kd-
value
(l/kg)
Stdv.
(no. of samples)
(l/kg)
Top soil (5–10 cm); < 2 mm
1,20
268
11 (n=3)
Silt; 2-20 θm
2,95
668
50 (n=3)
Course clay; 0,2-2 θm
4,27
607
33 (n=3)
Fine clay; < 0,2 θm
4,28
476
24 (n=3)
Fine clay – DCB extracted
< 0,2 θm
4,28
484
27
(n=3)
Refractory soil org. matter – HCl
and HF treated. From plow layer.
47,3
14182
390
(n=3)
Refractory soil org. matter – HCl
and HF treated. From plow layer.
54,1
18098
323
(n=2)
Refractory soil org. matter – HCl
and HF treated. From plow layer.
(Northern Jutland)
59-61
20771
879
(n= 3)
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