Spend the afternoon at Poplar Ridge Farm for our April 16 Farm Tour and Market Day!   PRF's farm owner, CSA manager, and staff will be on hand to lead tours, discuss the farm's history, CSA participation, organic growing, healthy  eating, and answer all of your questions.   The farm and its Market Stand will be open from 11 a.m.-2 p.m. with spring produce, flower bouquets, baked goods, eggs,…