Farm producers applying solid or liquid manure must apply manure according to the following standards:

(a) Farm producers may not exceed application rates as stated in their nutrient budget developed in accordance with § 2100.060; and

(b) A manure test for each type of manure applied must be used for development of the nutrient budget required in § 2100.060. The manure test must be collected during the current crop interval. The manure test must at a minimum provide information on N-P-K content of the manure.