Unless the context otherwise requires, as used in this act, the following definitions shall apply:
(a) "Person" means any individual, any association of persons or any corporation.
(b) "Anhydrous ammonia" and "product" means the compound formed by the combination of the two gaseous elements, nitrogen and hydrogen, in the proportion of one part nitrogen to three parts hydrogen (by volume), and used or intended for use as an agricultural fertilizer. Anhydrous ammonia is ammonia gas in compressed and liquefied form. It does not include aqueous ammonia which is a solution of ammonia gas in water.
(c) "Department" means the Kansas department of agriculture.
(d) "Secretary" means the secretary of agriculture.