Fertilizers and soil conditioners. Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials
Current, Under Review
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Published:
1 Scope
This document specifies the procedure for the analysis of humic acids and hydrophobic fulvic acids which is applicable to dry and liquid materials used as ingredients in commercial fertilizers, soil amendments, and geological deposits.
BSI recommends this version of standard for organisations operating in or with the UK. The ISO edition is available here if required.