Division PFC 3(A): ORGANIC SOIL IMPROVER

The following parameters shall be declared:

• pH;

• electrical conductivity, given as mS/m;

• organic carbon (C_org) content, expressed as % by mass;

• minimum amount of organic nitrogen (N_org), expressed as % by mass, followed by a description of the origin of the organic matter used;

• the ratio of organic carbon to total nitrogen (C_org/N).