Section 02.06.10.280 - CULL AND VOLUNTEER POTATOES01.Plant Growth. All plant growth on cull potato piles shall be controlled by a state approved chemical or mechanical measure including, but not limited to, burial with a minimum of eighteen (18) inches of soil, field spreading no more than two (2) potato layers and composting.02.Destroying Volunteer Potatoes. It is the responsibility of each grower within Seed Potato Crop Management Areas to destroy all cull piles and volunteer potatoes growing on summer fallow, set-aside and non-cultivated areas of the grower's property. In the event that the grower fails to destroy such plants, the Director may order them destroyed at the expense of the grower.Idaho Admin. Code r. 02.06.10.280