Example of the do-it-yourself bait station. Growers can easily build their own nontoxic bait station for rodents, patterned after a system originally devised in California to control bubonic plague in chipmunks. Conservationist John Schuster offers the following plans and bait recipe: Bait: Mix three parts of oats with one part plaster of Paris. Station: Make a 24-inch–long “T” of four-inch–diameter PVC pipe. Seal off one end of the arms of the T and put a three-inch reducer on the other, putting a cap on the leg of the T for bait access. Bury the arms of the T in the […]