But in the seventh year there shall be a Sabbath of complete rest for the land—a Sabbath to the LORD. You are not to sow your field or prune your vineyard.
KJV
But in the seventh year shall be a sabbath of rest unto the land, a sabbath for the LORD: thou shalt neither sow thy field, nor prune thy vineyard.
ASV
but in the seventh year shall be a sabbath of solemn rest for the land, a sabbath unto Jehovah: thou shalt neither sow thy field, nor prune thy vineyard.
You are not to reap the aftergrowth of your harvest or gather the grapes of your untended vines. The land must have a year of complete rest.
KJV
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.
ASV
That which groweth of itself of thy harvest thou shalt not reap, and the grapes of thy undressed vine thou shalt not gather: it shall be a year of solemn rest for the land.