Fertilizer.

Fertilizer. A single or blended substance containing one or more recognized plant nutrient which is used primarily for its plant nutrient content and which is designed for use or claimed to have value in promoting plant growth.

Source

7 CFR § 205.2

Scoping language

Accreditation. A determination made by the Secretary that authorizes a private, foreign, or State entity to conduct certification activities as a certifying agent under this part.