Zotarelli, L., Dittmar, P. J., Dufault, N. S., Wells, B., Desaeger, J., McAvoy, E. J., Wang, Q., & Miller, C. F. (2020). 2020–2021 Vegetable Production Handbook: Chapter 6. Cole Crop Production: HS724/CV122, rev. 4/2020. EDIS, 2020(VPH). https://doi.org/10.32473/edis-cv122-2020