xmlns:atom="http://www.w3.org/2005/Atom"
purity: the percentage by weight of pure seed, other seed and inert matter of the product marketed as a seed lot;
the germination percentage of pure seed, or, where the germination percentage is impossible or impractical to assess, the viability percentage assessed by reference to a specified method;
the weight of 1 000 pure seeds;
the number of germinable seeds per kilogram of product marketed as seed, or, where the number of germinable seeds is impossible or impractical to assess, the number of viable seeds per kilogram.
for tests, scientific purposes or genetic conservation;
where seed units are clearly shown not to be intended for forestry purposes.