Agriculture Reference
In-Depth Information
Table 1. Physical and chemical properties of soils and heavy metals and organochlorine pesticides concentrations
TOC/
(%)
BD/
(g·cm
3-1
)
EC/
(μs·cm
-1
)
MW/
(%)
BLA/
(%)
CEC/
(mmol·kg
-1
)
Soil
pH
A
7.07
7.3
1.346
28
1.78
2.52
157
B
7.02
10.74
1.531
105
1.87
3.49
135
Sand/
(%)
Silt/
(%)
Clay/
(%)
Pb/
(mg·kg
-1
)
Cd/
(mg·kg
-1
)
Cr/
(mg·kg
-1
)
As/
(mg·kg
-1
)
Soil
pHpzc
A
18
58
24
2.97
34.52
0.39
179.2
17.67
B
23
51
26
2.87
360.9
22.52
29.97
20.29
p,p'-DDD/
(μg·kg
-1
)
A 0.59 6.57 7.39 1.92 46.4 3.09 24.37 7.11
B 10.43 51.04 25.21 19.28 3.29 N.D. 6.43 16.27
Note: TOC - total organic carbon, BD - bulk density, EC - electrical conductivity, CEC - cation exchange capacity, MW - moisture
water, BLA - burn lost amount
ʱ-BHC/
(μg·kg
-1
)
β-BHC/
(μg·kg
-1
)
γ-BHC/
(μg·kg
-1
)
ʴ-BHC/
(μg·kg
-1
)
o,p'-DDT/
(μg·kg
-1
)
p,p'-DDT/
(μg·kg
-1
)
p,p'-DDE/
(μg·kg
-1
)
Soil
