'Barley harvest' in the Bible

So Naomi returned, and Ruth the Moabitess, her daughter-in-law, with her, who returned out of the country of Moab: and they came to Bethlehem in the beginning of barley harvest.

So she kept close by the maidens of Boaz to glean unto the end of barley harvest and of wheat harvest; and dwelt with her mother-in-law.

And he delivered them into the hands of the Gibeonites, and they hanged them in the hill before the LORD: and they fell all seven together, and were put to death in the days of harvest, in the first days, in the beginning of barley harvest.