1)
"What is the meaning of "v'Lo Nosar Kol Yerek ba'Eitz..."?
1
Gur Aryeh: Why does Rashi need to explain this? Usually "Yerek" means a leafy vegetable (as in Devarim 11:10) - but these do not grow on trees! Rather, in this case it means green (Yarok) leaves.
2
It seems to me that Rashi could have said 'greenery' (not green leaves), in order to fit with the following words, "uv'Esev ha'Sadeh."