There are at least 10 ways adjuvants can make your post-emergence herbicide work harder — and literally hundreds of adjuvant products to choose from. Here’s a look at what’s causing this proliferation and how you can be sure you’re treating your crops right.

An item in the October, 2003, issue on the proper order of tankmixing glyphosate products led to a comment from a No-Till Farmer reader in North Dakota. He informed us that research conducted at North Dakota State indicates that the efficacy of Roundup herbicide is not affected by the order in which it is mixed with water and ammonium sulfate (AMS).

A survey of Illinois certified crop advisors — including custom applicators, growers and consultants — and related research reveal some dos and don’ts about managing spray drift.