the LORD make his face shine on you and be gracious to you;
the LORD turn his face toward you and give you peace.
So they will put my name on the Israelites, and I will bless them.
Harvest time is a great time to declare blessing over the farms, workers, livestock & harvests around our towns & villages. (Too far from the countryside? Then bless the local businesses which are supplied by the farms.)
For more on the power of blessing, two books by Roy Godwin telling how a region of the UK is being transormed by this prayer-tool: