65.080 Fertilizers

Fertilizers, soil conditioners and beneficial substances — Determination of EDTA soluble phosphorus content in inorganic fertilizers

Fertilizers and soil conditioners -- Mineral soil amendments -- Determination of total calcium and magnesium content

Carbonate liming materials Determination of reactivity Automatic titration method with citric acid

Fertilizers and soil conditioners — Compound fertilizer — General requirements

Determination of total sulfur in fertilizers by high temperature combustion

Determination of salt out (crystallization) temperature of liquid fertilizers

Fertilizers Determination of ammoniacal nitrogen

Fertilizers Determination of urea condensates using high-performance liquid chromatography (HPLC) Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)