All soil amendments shall be sold, offered or exposed for sale by standard dry measure or by avoirdupois net weight except in cases of liquid, gaseous or solid, soil amendments which may be sold or offered for sale by avoirdupois net weight or by liquid measure based upon the standard United States gallon of 231 cubic inches in cases of liquid soil amendments, or by cubic feet based upon the standard cubic foot of 1,728 cubic inches in case of gaseous or solid soil amendments.

L.1968, c. 450, s. 2.