If there are still many years ⌞until the jubilee⌟, you will pay more for it. If there are only a few years ⌞until the jubilee⌟, you will pay less for it because he is selling you only the number of crops.
When you buy property from your neighbor, take into account the number of years since the jubilee. Your neighbor must sell it to you taking into account the number of crops ⌞until the next jubilee⌟.