Book with abstracts from the COST Action 0905 meeting in ... - UMB

0
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−− Concentration in eluate µg l -1 −−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
14
As
12
10
8
6
4
2
0
600
Cd
500
400
300
200
100
0
350
Zn
300
250
200
150
100
50
14
Soil
Soil &
Biochar
12
Biochar
10
8
6
4
2
a. b. c.
6
5
4
3
2
1
d. 0
e. f.
60
50
40
30
20
10
fertility of a southeastern coastal plain soil.
Soil Science 174, 105-112.
Yin Chan, K., Xu, Z. 2009. Biochar:
Nutrient properties and their enhancement,
in: Lehmann, J., Joseph, S. (Eds.), Biochar
for environmental management. Earthscan,
U.S.A.
0
g.
1 2 3 4 5
0
1 2 3 4 5 6 7 8
h. i.
1 2 3 4 5 6 7 8
------------------------------------------------------------- Fraction -----------------------------------------------------------
Fig 2. Concentration of arsenic (a, b and c),
cadmium (d, e and f) and zinc (g, h and i) in
eluate from soil, soil leached through
biochar and biochar control. Note the
differing scales between soil and biochar for
Cd and Zn. Dotted, vertical line indicates
where the leaching of soil was terminated
and the leaching of the intercepting biochar
and biochar control continued (mean n = 3
and error bars represent ± s.e.m).
In wider environmental terms the results of
this study allow us to visualise biochar
assisting the interception and arresting the
migration of toxic elements to groundwater
or its deployment in shallow, immature
polluted soils to reduce soil-plant transfer of
metals in the rhizosphere.
References
Beesley, L., Moreno-Jimenez, E., Gomez-
Eyles, J.L. 2010. Effects of biochar and
green waste compost amendments on
mobility, bioavailability and toxicity of
inorganic and organic contaminants in a
multi-element polluted soil. Environmental
Pollution 158, 2282-2287
Novak, J.M., Busscher, W.J., Laird, et al.
2009. Impact of Biochar amendment on