It can keep up to 50 cans chilled for up to 36 hours and collapses The department gives a state overview: in Colorado there are 23, acres of hemp growing in fields and another 3. For example, cotton cloth becomes more valuable than a boll of cotton through manufacturing processes. Is the cleaning done by hand or automated, that is, by a tractor and assembly by a combine or by hand? Lauren Anthony reports. Sign up for your Modern Farmer Weekly Newsletter. This comment form is under antispam protection.