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ISO/AWI 26106-1
Enumeration of Culturable Microorganisms in Samples of Fertilizers, Soil Conditioners, and Beneficial Substances - Part 1: Enumeration of Culturable Microorganisms using the Spread-Plate Method at 30°C - 37°C
ISO/AWI 26106-2
Enumeration of Culturable Microorganisms in Samples of Fertilizers, Soil Conditioners, and Beneficial Substances - Part 2: Enumeration of Culturable Gram-Negative Bacteria using the Spread-Plate Method at 30°C - 37°C
ISO/AWI 26106-3
Enumeration of Culturable Microorganisms in Samples of Fertilizers, Soil Conditioners, and Beneficial Substances - Part 3: Enumeration of Culturable yeasts and fungi using the Spread-Plate Method at 25°C.
ISO/TC 134
Fertilizers, soil conditioners and beneficial substances
ISO/TC 134/WG 6
Beneficial substances (including biostimulants)
ISO/DIS 25341
Fertilizers, soil conditioners and beneficial substances - Determination of polyglutamic content
ISO/DIS 25300
Soil conditioners and beneficial substances - Determination of free amino acids
ISO/DIS 23882
Sludge recovery, recycling, treatment and disposal - Beneficial use of biosolids land application - Guidelines for risk communication and management of public perception
