1. United States Department of Agriculture, Agricultural Research Service, Temperate Tree Fruit & Vegetable Research Unit, 5230 Konnowac Pass Road, Wapato, WA, 98951, USA
2. Washington State University, Tree Fruit Research and Extension Center and Center for Sustaining Agriculture & Natural Resources, 1100 N Western Avenue, Wenatchee, WA, 98801, USA
3. Engineered Compost Systems, 4220 24th Avenue W, Seattle, WA, 98199, USA