Lane Press in South Burlington and Omya in Proctor are the latest Vermont firms to lay off workers. Each stated that the recession has slowed business resulting in a need to reduce payroll.Lane Press laid off 29 in March after laying off 10 in January. This leaves them with about 225 employees. In January, the printer also cut hours and reduced pay for most workers. The company prints high-end glossy magazines, such as college alumni magazines. It stated that clients have been cutting back on frequency of publication, such as going from monthly to bi-monthly, or printing on less expensive paper.Omya said it cut seven workers at its two sites in Vermont and five others in operations outside the state. It employs 63 in Proctor and 145 in Florence. It mines and distributes calcium carbonate as an additive for many products from glossy paper to plastics to antacid tablets.