(1) For combination mulch, seed and fertilizer products, the label shall include the word "combination" followed by the words "mulch, seed, fertilizer," or appropriate terms. These words must appear on the upper 30% of the principal display panel. The word "combination" must be the largest and most conspicuous type on the container, equal to or larger than the product name; the words "mulch, seed, or fertilizer," shall be no smaller than one-half the size of the word "combination" and close to the word "combination." These products shall contain a minimum of 70% mulch.