Boosters of industrial hemp often fondly refer to the plant as a wonder crop, usable in everything from building materials to batteries to breakfast cereal. Since Colorado voters legalized both hemp and marijuana with the passage of Amendment 64 in 2012, hemp advocates have been buzzing about the state’s promise as a manufacturing hub for this dizzying array of products. Yet even as Colorado farmers make history this fall with the first legal commercial hemp harvest on U.S. soil in 57 years, it’s unlikely that much of their bounty will go toward the plant’s diverse list of potential uses. Instead, hobbled by a long-standing federal ban on shipping hemp seed across state lines, most Colorado hemp farmers are squirreling away their seed supply, using this year’s harvest as a source of next year’s supply in an attempt to vastly increase planted acreage in 2015 with Colorado-grown seed stock. “In an ideal world, we’d grow between 1,500 and 2,000 acres of hemp next year,” said J.R. Kn