Soil health researcher Sarah Gafner-Bergeron, right, discusses the soil cores from different treatments with David Granatstein, professor emeritus of sustainable agriculture at Washington State University during a field day at WSU’s Sunrise Research Orchard on July 24, 2025. Granatstein noted that core from the mulch treatment shows the soil biome breaking down the mulch and structurally changing the top layer of soil. (Kate Prengaman/Good Fruit Grower) There’s more research going on at Washington State University’s Sunrise Research Orchard than could fit into one field day, but organizers on July 24 toured industry attendees through six stations that covered pest management, […]