标准摘要
[中文适用范围]： 本文件规定了分析腐殖酸和疏水性富啡酸的操作程序，适用于商品肥料、土壤改良剂和地质沉积物中使用的干状和液体原料。 [外文原描述]： 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.
英文名称Fertilizers and soil conditioners — Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials