'Grain' in the Bible

"Oh, how I am burdened down with you, as a wagon is overloaded with harvested grain!

"Therefore, since you trample the poor continuously, taxing his grain, building houses of stone in which you won't live and planting fine vineyards from which you won't drink

And if you send up burnt offerings to me as well as your grain offerings, I will not accept them, nor will I consider your peace offerings of fattened cattle.

and who are saying, "When will the New Moon fade so we may sell grain, and the Sabbath conclude so we may market winnowed wheat? shortchanging the measure, raising the price, falsifying the scales by treachery,