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Diss Factsheets

Environmental fate & pathways

Bioaccumulation: terrestrial

Currently viewing:

Administrative data

Endpoint:
bioaccumulation: terrestrial
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
publication
Title:
Effect of Liming and Gypsum on Soil Chemistry, Yield, and Mineral Composition of Ryegrass Grown in an Acidic Andisol
Author:
Mora, M.L., Schnettler, B., Demanet, R.
Year:
1999
Bibliographic source:
Communications in Soil Science and Plant Analysis, 30(9&10), 1251-1266

Materials and methods

Principles of method if other than guideline:
Calcitic and dolomitic limestone were added to samples of the soils at different rates. After the incubation process the exchangeable cations (incl.Ca en Mg) were extracted and analysed.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Limestone
EC Number:
215-279-6
EC Name:
Limestone
Cas Number:
1317-65-3
Molecular formula:
CCaO3
IUPAC Name:
calcium carbonate
Constituent 2
Reference substance name:
Calcium magnesium dicarbonate
EC Number:
230-274-9
EC Name:
Calcium magnesium dicarbonate
Cas Number:
7000-29-5
IUPAC Name:
calcium magnesium dicarbonate
Details on test material:
Calcitic limestone (calcium carbonate)
Dolomitic limestone (calcium magnesium dicarbonate)
Radiolabelling:
no

Test substrate

Vehicle:
no

Test organisms

Test organisms (species):
other: Lolium perenne cv Nui (perennial ryegrass)

Test conditions

Nominal and measured concentrations:
Control, 1 kg/ha, 2 kg/ha and 4 kg/ha.

Results and discussion

Bioconcentration factoropen allclose all
Type:
BSAF
Value:
21.09
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: no. Medium: Faja Maisan soil. Exposure duration: not clear. Concentration organism: 6000 mg Ca(+2)/kg dw. Concentration environment: 284,55 mg Ca(+2)/kg dw. pH: 4,11.
Type:
BSAF
Value:
6.54
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: 2 kg/ha calcitic lime. Medium: Faja Maisan soil. Exposure duration: not clear. Concentration organism: 8700 mg Ca(+2)/kg dw. Concentration environment: 1330,59 mg Ca(+2)/kg dw. pH: 4,63.
Type:
BSAF
Value:
3.95
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: 4 kg/ha calcitic lime. Medium: Faja Maisan soil. Exposure duration: not clear. Concentration organism: 10800 mg Ca (+2)/kg dw. Concentration environment: 2733,32 mg Ca(+2)/kg dw. pH: 5,21.
Type:
BSAF
Value:
5.92
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: 2 kg/ha dolomitic lime. Medium: Faja Maisan soil. Exposure duration: not clear. Concentration organism: 7100 mg Ca (+2)/kg dw. Concentration environment: 1198,33 mg Ca(+2)/kg dw. pH: 5,05.
Type:
BSAF
Value:
3.84
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: 4 kg/ha dolomitic lime. Medium: Faja Maisan soil. Exposure duration: not clear. Concentration organism: 8000 mg Ca (+2)/kg dw. Concentration environment: 2084.06 mg Ca(+2)/kg dw. pH: 5,62.
Type:
BSAF
Value:
5.58
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: 1 kg/ha calcitic + dolomitic lime each. Medium: Faja Maisan soil. Exposure duration: not clear. Concentration organism: 7600 mg Ca(+2)/kg dw. Concentration environment: 1362,65 mg Ca(+2)/kg dw. pH: 5,00.
Type:
BSAF
Value:
3.37
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: 2 kg/ha calcitic + dolomitic lime each. Medium: Faja Maisan soil. Exposure duration: not clear. Concentration organism: 8100 mg Ca(+2)/kg dw. Concentration environment: 2404,68 mg Ca(+2)/kg dw. pH: 5,49.
Type:
BSAF
Value:
3.99
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: no. Medium: Bajo Oregon soil. Exposure duration: not clear. Concentration organism: 4000 mg Ca(+2)/kg dw. Concentration environment: 1001,95 mg Ca(+2)/kg dw. pH: 4,33.
Type:
BSAF
Value:
4.31
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: 2 kg/ha calcitic lime. Medium: Bajo Oregon soil. Exposure duration: not clear. Concentration organism: 8300 mg Ca(+2)/kg dw. Concentration environment: 1923.74 mg Ca(+2)/kg dw. pH: 4,74.
Type:
BSAF
Value:
3.87
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: 4 kg/ha calcitic lime. Medium: Bajo Oregon soil. Exposure duration: not clear. Concentration organism: 108000 mg Ca (+2)/kg dw. Concentration environment: 2789.43 mg Ca(+2)/kg dw. pH: 5,17.
Type:
BSAF
Value:
4.46
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: 2 kg/ha dolomitic lime. Medium: Bajo Oregon soil. Exposure duration: not clear. Concentration organism: 6500 mg Ca (+2)/kg dw. Concentration environment: 1458.84 mg Ca(+2)/kg dw. pH: 4,89.
Type:
BSAF
Value:
3.03
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: 4 kg/ha dolomitic lime. Medium: Bajo Oregon soil. Exposure duration: not clear. Concentration organism: 7300 mg Ca (+2)/kg dw. Concentration environment: 2408.69 mg Ca(+2)/kg dw. pH: 5,37.
Type:
BSAF
Value:
4.85
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: 1 kg/ha calcitic + dolomitic lime each. Medium: Bajo Oregon soil. Exposure duration: not clear. Concentration organism: 8800 mg Ca(+2)/kg dw. Concentration environment: 1815.53 mg Ca(+2)/kg dw. pH: 4,83.
Type:
BSAF
Value:
3.55
Basis:
not specified
Calculation basis:
steady state
Remarks on result:
other: Substance added to soil: 2 kg/ha calcitic + dolomitic lime each. Medium: Bajo Oregon soil. Exposure duration: not clear. Concentration organism: 9200 mg Ca(+2)/kg dw. Concentration environment: 2593,05 mg Ca(+2)/kg dw. pH: 5,29.

Applicant's summary and conclusion

Conclusions:
Calcitic and/or dolomitic limestone were added to two different soils using different dosing levels (as well as a control treatment). Consequently, transfer of Ca from soil to plants (Lolium perenne, ryegrass) was studied. Based on the results of these experiments BSAF factors ranging from 3.03 to 21.09 were calculated for Ca.