Researchers from Tel Aviv University, Harvard University, Bar-Ilan University, and Haifa University have concluded that plant cultivation may have started in the Galilee some 23,000 years ago. Ohalo II, 9km south of Tiberias is the earliest example of small-scale cultivation anywhere in the world.
http://www.timesofisrael.com/ancient-weeds-hint-that-farming-may-have-roots-in-israel/