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Norm

ÖNORM L 1091

Issue date: 1993 11 01

Chemical analysis of soils - Determination of inorganic nitrogen - N min-method

Withdrawn: 1999 09 01
ÖNORM L 1091
2020 08 15
Chemical analyses of soils - Determination of mineral nitrogen by extraktion with calcium chloride s...
Norm
ÖNORM L 1091
2012 04 15
Chemical analyses of soils - Determination of mineral nitrogen by extraktion with calcium chloride s...
Norm
ÖNORM L 1091
1999 09 01
Chemical analysis of soils - Determination of inorganic nitrogen - Nmin-method
Norm
ÖNORM L 1091
1993 11 01
Chemical analysis of soils - Determination of inorganic nitrogen - N min-method
Norm
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Norm
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Issue date : 2004 07 01
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Norm
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Issue date : 2004 07 01
Sampling of soils under protected cultivation, growing media and nutrient solutions
Norm
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Issue date : 2003 01 01
Physical analysis of soils - Determination of gravimetric and volumetric water content
Norm
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Issue date : 2005 03 01
Physical analysis of soils - Determination of mineral soil density
Norm
ÖNORM L 1091
Issue date : 1999 09 01
Chemical analysis of soils - Determination of inorganic nitrogen - Nmin-method