Agriculture or Farming: Operations in Gleaning
Source: TTT
Leviticus 19:9
When you reap the harvest of your land, you are not to reap to the very edges of your field or gather the gleanings of your harvest.
Ruth 2:3
So Ruth departed and went out into the field and gleaned after the harvesters. And she happened to come to the part of the field belonging to Boaz, who was from the clan of Elimelech.