Vineyards: Laws Respecting: The Gleaning of, to be Left for the Poor
Source: TTT
Leviticus 19:10
You must not strip your vineyard bare or gather its fallen grapes. Leave them for the poor and the foreigner. I am the LORD your God.
Deuteronomy 24:21
When you gather the grapes of your vineyard, you must not go over the vines again. What remains will be for the foreigner, the fatherless, and the widow.