The Oregon State University Extension Service will host a conference for owners of small farms March 29-30 at Linfield College in McMinnville. Small Farming in Oregon will offer more than 40 workshops on subjects ranging from water rights to mushroom and ginseng production. Registration is $25 for one day and $40 for both days. Contact Mike Reichenbach at the Yamhill County Office of the OSU Extension Service, 2050 Lafayette Ave., McMinnville, OR 97128 (503/434-7517).