1)
What is the meaning of "Ki Yishal Zeisecha"?
1.
Rashi, Targum Onkelos and Targum Yonasan: It means 'Because your olive-trees will shed them 1 (cause them to fall off) 2 - before they ripen.
1
Rashi: As in Parshas Shoftim, 19:5. See also Torah Temimah, note 28.
2
Yerushalmi Shevi'is, 1:9: Until only one three hundred and and fortieth (the Gematriyah of "Yishal") remains on the tree. See Torah Temimah, note 29.