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OENORM L 1091
Chemical analyses of soils - Determination of mineral nitrogen by extraktion with calcium chloride solution - Nmin method
Edition
2020-08-15
OENORM L 1092
Chemical analysis of soils - Methods for the extraction of water soluble elements and compounds
Edition
2013-08-01
OENORM L 1093
Chemical analyses of soils - Extraction with calciumchloride solution for the determination of magnesium
Edition
2010-12-01
OENORM L 1094-1
Chemical analyses of soils - Extraction of trace elements with salt solutions - Part 1: Extraction with ammonium nitrate solution
Edition
2016-03-15
OENORM L 1094-2
Chemical analyses of soils - Extraction of trace elements with salt solutions - Part 2: Extraction with ammonium acetate solution
Edition
2016-03-15
OENORM L 1094-3
Chemical analyses of soils - Extraction of trace elements with salt solutions - Part 3: Extraction with lithium chloride solution
Edition
2016-03-15
OENORM L 1097
Chemical analyses of soils - Determination of fixation of potassium in soils
Edition
2020-08-15
OENORM L 1098
Chemical analyses of soils - Extraction of soils with Calciumchlorid/DTPA-solution (CAT)
Edition
2015-06-15
OENORM L 1099
Chemical analyses of soils - Determination of the specific electrical conductivity
Edition
2015-06-15
OENORM L 1100
Landscape architecture and landscape planning
Edition
2016-11-01
