adjuvants

The Environmental Protection Agency has added 20 more nozzles to those approved for use with XtendiMax dicamba herbicide, bringing the total to 21.

Ah, have times have changed. When Purdue University in West Lafayette, Ind., published its first "Compendium of Herbicide Adjuvants" in 1992, it contained 76 listings from 22 companies. Thirteen editions later, and the 2016 version lists 779 products from 38...