The First Fruits: Different Kinds of Wheat Harvest
Source: TTT
Exodus 23:16
You are also to keep the Feast of Harvest with the firstfruits of the produce from what you sow in the field. And keep the Feast of Ingathering at the end of the year, when you gather your produce from the field.
Leviticus 23:16, 17
You shall count off fifty days until the day after the seventh Sabbath, and then present an offering of new grain to the LORD. / Bring two loaves of bread from your dwellings as a wave offering, each made from two-tenths of an ephah of fine flour, baked with leaven, as the firstfruits to the LORD.