Or. Admin. R. 603-095-5060
Annual nitrogen plans shall be certified in one of the following ways:
(1) Certified by an irrigation and nitrogen management plan specialist.
(a) Specialists may include Certified Professional Soil Scientists by the Soil Science Society of America, Certified Crop Advisers by the American Society of Agronomy, or Technical Service Providers certified in nutrient management by the Natural Resources Conservation Service (NRCS).
(b) In certifying a plan, a specialist shall attest that the record accurately reflects the conditions and management of the agricultural operation, that they can answer questions relevant to the document certified, and are competent and proficient by education and experience relevant to the development of the document.
(2) Self-certified by the landowner who attests that the document adheres to a site-specific recommendation from the Natural Resources Conservation Service (NRCS) or from a land grant university, provided the specific NRCS recommendations or land grant university recommendations are documented along with the certification.
(3) Self-certified by the landowner if the landowner states that they apply no fertilizer to any field on the agricultural operation.
(4) Each certification shall include:
(a) The name of the operator if different than the landowner;
(b) The name of the certifier;
(c) The date of plan certification;
(d) The certification method used; and
(e) The acreage category of the agricultural operation as follows:
(A) Acreage Category A with a range of 500 – 999 irrigated acres.
(B) Acreage Category B with a range of 1000 – 1999 irrigated acres.
(C) Acreage Category C with a range of 2000 plus irrigated acres.
(5) Each submission of proof of certification shall be on a form provided by the department and shall contain a statement that under penalty of law, the certified record is true, accurate, and complete.
ORS 561.191 & ORS 568.900-933
ORS 568.900-933 & 468B.025(1)