What are hops? When it comes to beer, they are arguably the most important ingredient and serve a wide range of purposes, from flavor to preservation.

THE close attention which is being given in many foreign countries to the scientific study of plants of econpmic ... the work of breeding improved varieties of hops for cultivation in Denmark.

The Associated Press reported that experts at the Society of Hop Research north of Munich are growing 7,000 seedlings — a mix of new varieties developed through research — in a plant nursery ...