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Norm
ÖNORM L 1088
Issue date: 2005 03 01
Chemical analysis of soils - Determination of "plant-available" phosphorus and potassium by calcium-lactate-hydrochloric acid-method (DL-method)
This Austrian Standard is used for the determination of "plant-available" phosphorus and potassium in soils with pH < 6 (determination according to ÖNORM L 1083, within C...
Withdrawn: 2014 07 01
§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 8 Pages
Language:
German
Optionally co-design standards:
ICS
This Austrian Standard is used for the determination of "plant-available" phosphorus and potassium in soils with pH < 6 (determination according to ÖNORM L 1083, within CaCl2 solution). Excepted are soils used for forestal purposes. For soils with pH values >= 6, the CAL method according to ÖNORM L 1087 shall be applied. The DL method is preferred for soils with pH < 6, because this method partly extracts also apatites which are absorbed by the plant as nutrient from acidic soils. In case of photometric procedures, only orthophosphates are recorded, in the case of plasma emission spectrometry only total phosphates are registered from the extracted solution. In function of the reactive conditions during the photometric procedure, metaphosphates, pyrophosphates or polyphosphates are converted only partly into orthophosphates. When applying this ÖNORM, the general provisions of ÖNORM L 1053 shall be observed.
ÖNORM L 1088
2005 03 01
Chemical analysis of soils - Determination of "plant-available" phosphorus and potassium by calcium-...
Norm
↖
ÖNORM L 1088
1993 11 01
Chemical analysis of soils - Determination of plant-available phosphate and potassium by calcium-lac...
Norm
Norm
Issue date :
2004 07 01
Sampling of soils for vineyards and fruit growing and nursery soils
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Sampling of soils for vineyards and fruit growing and nursery soils
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2004 07 01
Sampling of soils under protected cultivation, growing media and nutrient solutions
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Issue date :
2004 07 01
Analysis of soils - Sample preparation, sample conservation and sample strorage
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Issue date :
2006 04 01
Chemical analyses of soils - Determination of acidity (pH value)
Verordnung
Verordnung der Oö. Landesregierung über die Ausbringung von Klärschlamm auf Böden (Oö. Klärschlammverordnung 2006)