The State Board of Agriculture and Industries shall have the power to establish standards and uniform grades for grain, which are hereby defined as including corn (maize), wheat, rye, oats, barley, grain, sorghum and beans. In establishing grades for grain that is sold on a dockage basis, dockage shall be considered and such dockage that is of value and retained shall be paid for. Dockage as used therein shall be understood to mean dockage as defined in the official grain standards of the United States.

Said board shall have the power to make, amend or repeal rules and regulations for the grading and inspection of grain, for the purpose of carrying out the provisions of this article. All such rules shall be published in such manner as to give proper publicity thereto.

Such board shall also have the power to fix and determine all charges for sampling, grading and inspecting grain.