1Levels
Lv1 10 PP
Harvest window after crop maturity extended by 30% (late harvests won't rot).
Lv2 15 PP
Harvest window after crop maturity extended by 60% (late harvests won't rot).
Lv3 20 PP
Harvest window after crop maturity extended by 100% (late harvests won't rot).
2Who can learn it
Every character can learn it.