Trait means1 of phytochemicals of 23 broccoli cultivars grown across four pair combinations of location (Maine/Oregon), season (Fall/Spring) two-years combined and management system (Conventional/Organic), 2006–2008.

1Values in the table are means. Means of the same letter in the same row are not significantly different at the P1. 表格中的数值均为均值。同一行中标注有相同字母的均值在P层面无显著差异。