(a) General rule.--Except as provided in subsection (b), fertilizer labeled for turf that is distributed to consumers in this Commonwealth shall:
(1) Consist of at least 20% enhanced efficiency nitrogen of the total nitrogen or as otherwise determined by the department, which determination shall be transmitted to the Legislative Reference Bureau for publication in the Pennsylvania Bulletin.
(2) Contain no phosphorus, unless the fertilizer is a natural organic or organic-based fertilizer.
(b) Exemptions.--
(1) Subsection (a) shall not apply when fertilizer is labeled for repairing a turf area or establishing a turf area for the first time.
(2) Subsection (a)(1) shall not apply to liquid fertilizers or readily available nitrogen fertilizers labeled for turf, if the directions for use are in accordance with the requirements of section 6813 (relating to application of fertilizer to turf).
(c) Additional requirements.--The department, through regulation, may establish additional requirements for fertilizer applied to turf.