TgJ Is1:30 :במִתַר טַרפוֹהִי‏ : when its leaves drop
See the entire entry for ntr vb. to drop

TgJ Is1:30 :וֻכגִינַת שִקיָא דְמַיִין לֵית לַה‏ : like an irrigated garden that has no water
See the entire entry for šqē, šeqyā n.m. irrigation