Read Six Weeks at Heppenheim Storyline:
That has never been our way in Germany. There are people employed by the Government to examine the vines, and report when the grapes are ripe. It is necessary to make laws about it; for, as you must have seen, there is nothing but the fear of-the law to protect our vineyards and fruit-trees; there are no enclosures along the Berg-Strasse, as you tell me you have in England; but, as people are only allowed to go into the vineyards on stated days.Pages of Six Weeks at Heppenheim :
