Leviticus 25:5

5 Do not reap what grows of itself or harvest the grapes of your untended vines. The land is to have a year of rest.

Read Leviticus 25:5 Using Other Translations

That which groweth of its own accord of thy harvest thou shalt not reap, neither gather the grapes of thy vine undressed: for it is a year of rest unto the land.
You shall not reap what grows of itself in your harvest, or gather the grapes of your undressed vine. It shall be a year of solemn rest for the land.
And don’t store away the crops that grow on their own or gather the grapes from your unpruned vines. The land must have a year of complete rest.