Onion Production from Transplants Grown in a Low Tunnel Cold Frame and in a Greenhouse
Shock, C. C., Feibert, E. B. G., Saunders, L. D., & Simerly, B. (2010). "Onion production from transplants grown in a low tunnel cold frame and in a greenhouse." Oregon State University - Malheur Agricultural Experiment Station, 2009 Annual report: 41-46.