1)
What did Ba'al Chanan do?
1.
'Rashi': He was appointed over planting olive trees and harvesting them
1
.
2.
Malbim (27): He was appointed over working the olive-orchards. Yo'ash was appointed over gathering the olives.
1
Presumably, Radak (27) holds that he was appointed over harvesting the olives. (PF)