For the purpose of determining the commercial values to be applied under the provisions of RSA 431:8 and RSA 431:9, the values per unit of nitrogen, phosphate, and potash in commercial fertilizer shall be as follows:

1. (a) Nitrogen, $12.00 per unit;
2. (b) Phosphate, $19.00 per unit; and
3. (c) Potash, $10.00 per unit.

Source. #1769, eff 6-30-81; ss by #2408, eff 6-30-83; ss by #2889, eff 10-22-84, EXPIRED 10-22-90 New. #5436, eff 7-22-92, EXPIRED: 7-22-98 New. #7218, eff 3-29-00, EXPIRED: 3-29-08 New. #10464, eff 11-26-13 (from Agr 1105.02), EXPIRED: 11-26-23 New. #13947, eff 4-30-24, EXPIRED: 10-27-24 New. #14128, eff 11-26-24, EXPIRES: 11-26-34