674                                 Laws of Maryland                        [Ch. 329

container or a statement accompanying a commercial fertilizer or
soil conditioner.

(q) Soil conditioner.—The term "soil conditioner" means any
substance or mixture of substances intended for sale, offered for
sale or sold for manurial, soil enriching or soil corrective purposes
or intended to be used for promoting or stimulating the growth of
plants, increasing the productivity of plants, improving the quality
of crops, or producing any chemical or physical change in the soil,
except commercial fertilizer as defined in this act, unmanipulated
animal and vegetable manures, agricultural liming material and
gypsum. The term shall include but not be limited to such materials
as peat, chemical penetrants, and mulch type products.

(r) Labeling.—The term "labeling" means all written, printed
or graphic matter on or accompanying any commercial fertilizer or
soil conditioner, or the contents of any advertisements, brochures,
posters or television or radio announcements used in promoting the
sale of such commercial fertilizer or soil conditioner.

(s) Lot.—The term "lot" means a definite quantity of commercial
fertilizer or soil conditioner, identified by name, grade or code desig-
nation as certified by the State Chemist or his agent.

474.    Registration.

(a)    Commercial fertilizer to be registered; application for regis-
tration, copy to be furnished.—Each brand and grade of commercial
fertilizer and brand of soil conditioner shall be registered before
being distributed in this State. The application for registration
shall be submitted on forms furnished by the State Chemist, and if
the State Chemist so requests, shall also be accompanied by a label
or other printed matter describing the product. Upon approval by
the State Chemist a copy of the registration shall be furnished to
the applicant.

(b)    Fertilizer which has previously been registered by another
person.—A distributor shall not be required to register any brand
and grade of commercial fertilizer or brand of soil conditioner which
is already registered under this subtitle by another person.

(c)    Mixed-to-order fertilizer.—A distributor shall not be required
to register a commercial fertilizer mixed or blended according to a
formula furnished by a consumer; but shall be required to label such
fertilizer in the order and form provided in Section 475(c) of this
subtitle. Any fertilizer mixed in advance of receipt of the customer's
specific order shall be registered.

(d)    Change in plant nutrient content.—The plant nutrient con-
tent of each and every commercial fertilizer must remain uniform for
the period of registration; and in no case, even at a subsequent
registration, shall the percentage of any guaranteed plant nutrient
element be changed in such a manner that the crop-producing quality
of the commercial fertilizer is lowered.

475.    Labeling.

(a) Each brand and grade of commercial fertilizer distributed
in this State shall be accompanied by a legible label bearing the
following information: