Commentaire sur Le Lévitique 25:11

יובל הוא שנת החמשים שנה IT IS A JUBILEE; THE FIFTIETH YEAR [SHALL BE UNTO YOU A PERIOD etc.] — Why is this statement made at all? Is it not identical with that made in v. 10? But because it is stated (v. 10) “and ye shall sanctify [the fiftieth year]” which implies that the year has to be sanctified at the beginning although the law of setting the slaves free applies only as from Yom Kippur, and consequently one might think that the holy character of the year is to be extended till the tenth of Tishri of the next year. Scripture therefore states here “a Jubilee is the fiftieth year” — but not any part of the fifty-first — just as is explained in Rosh Hashanah 8b and in Torat Cohanim (Sifra, Behar, Chapter 3 1).

יובל היא שנת החמישים שנה תהיה לכם, just as the soil will become free from those who have purchased it, it will not be enslaved to the owners that are returning to it; during that year they must not yet use it as if it were their own.

נזיריה, freely growing grapes that have fallen off the vines must not be harvested. The same applies to grain that grew without having been planted during that year.