b'Inside view ofa prescriptive ventilation room. PHOTO: TECHMARK INC.NEW WAY OF THINKING need ventilation. The reason you need ventilation is because potatoes are living, Heated walls are just the start of recent ventilation improvements. Todd Forbush,breathing entities.vice-president and storage systems engineer with Techmark Inc., says many of to- Tubers respiration rates relate to their comfort: stress them and their res-days newest ventilation innovations are arising from a whole new way of thinkingpiration rate will increase; keep them in an environment where they can remain about stored crop management.stress-free and dormant and their respiration will drop. The lower the respiration One of the things we focus on is not just running a ventilation system, butrate of a stored crop, the lower its ventilation needs. why the ventilation is running, says Forbush. If potatoes were rocks, you wouldntWhat were going for now in ventilation is optimizing rather than maximizing, 30 SPUDSMART.COM FALL 2019'