"The gleanings of your harvest you shall not harvest; you shall leave them for the poor and the stranger"—Leviticus 23:22.
We are commanded to leave [for the poor] the leket [stalks that fall to the ground in the course of harvesting].
This biblical precept only applies in the Land of Israel.
"You shall not gather the gleanings of your harvest"—Leviticus 23:22.
It is forbidden for the landowner to harvest the stalks that fall to the ground in the course of the harvest, rather they must be left for the poor.
"...you shall leave them for the poor and the stranger"—Leviticus 19:10.
We are commanded to leave the olelot [grape clusters that have not developed normally] for the poor.
This biblical precept only applies in the Land of Isreal.
"You shall not harvest the defective clusters from your vineyard"—Leviticus 19:10.
It is forbidden for the landowner to remove all the grapes from the vineyard in the course of the harvest, rather he must leave for the poor the grape clusters that have not developed normally.
This prohibition applies to vineyards only, not to any other fruit, even those similar to grapes.