Total Nitrogen.....percent
Ammoniacal Nitrogen
(Specialty products only).....percent
Nitrate Nitrogen
(Specialty products only).....percent
Water Insoluble Nitrogen
(Specialty products only).....percent
Available Phosphate (P2O5).....percent
Soluble Potash (K2O).....percent
Unacidulated mineral phosphatic materials and basic slag shall be guaranteed as to both total available phosphate and the degree of fineness. Plant nutrients, other than nitrogen, phosphorus, and potassium, shall be guaranteed when present in significant quantities as determined by the director, which guarantees shall be expressed in elemental form. The director may also request that the sources of such nutrients be included on the label. Other beneficial substances, determinable by chemical methods, may be guaranteed only by permission of the director by and with the advice of the University of Nebraska Institute of Agriculture and Natural Resources;
Neb. Rev. Stat. §§ 81-2,162.05