Or, for the number of the fruits. The meaning is, he selleth not the land, but only the fruits thereof, and that for a certain time.
Related Commentaries of Leviticus 25:16
Leviticus 25:16
16 According to the multitude of years thou shalt increase the price thereof, and according to the fewness of years thou shalt diminish the price of it: for according to the number of the years of the fruits doth he sell unto thee.