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Hive weight gain (mean weight in kilograms ± SE) per treatment (n = 5 colonies per treatment) over a season (from June 1, 2016 to September 6, 2016), including surveys before pollination, during blueberry pollination and cranberry pollination and after pollination. Significant differences between treatments (p < 0.01 based on post hoc Tukey’s test—HSD) are shown with different letters.
