according to the sefer “sefer eretz Yisrael” of Rav yechiel Mickael Tukachinsky- Ahkenazim perushim do not say borcho batra after kaddish batra ONLY AFTER WEEKDAY MAARIV AND DAYS THAT THE TORA IS NOT READ on days that it is read borchu was already said nor on fri night or yom tov because there are no latecomers
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