Plant biostimulants. Determination of the quantity (indicated by mass or volume)
Plant biostimulants. Determination of the quantity (indicated by mass or volume)
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1 Scope This document specifies the methods to be used for the determination of quantity of solid and liquid forms of plant biostimulants in packages , containers or in bulk. This document is not applicable to the quantity determination of: soil improvers, growing media, organic and organo-mineral fertilizers and fertilizing product blends whose main constituent is a growing media or soil improver. The method for quantity determination for these products is given in EN 15761, EN 15238 and EN 12580.
Другие стандарты PD