BS 5551-4.4.1:1993

Заменен

Fertilizers. Chemical analysis. Determination of water, Gravimetric method by drying under reduced pressure — 6 стр.

Заменен на

BS EN 12049:1997

ICS

65.080 Fertilizers. Including soil conditioners and culture medium / Удобрения. Включая структурообразователи почвы и питательную среду