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Weed management in Iowa: What s changed? Tyler Harris PROBLEM WEED: Over the years, there have been changes in weeds considered problem weeds. In 2016, the No. 1 problem weed was waterhemp, followed by giant ragweed and marestail, which tied for second. Interestingly, all three are native species. A lot has changed over the last 40 years; after years of reliance solely on herbicide, what s next for weed management in Iowa? Suggested Event Aug 31, 2021 to Sep 02, 2021 For most growers, the days before Roundup Ready crops are a distant memory younger growers may not even remember using bean buggies or field cultivation for weed control. But as Bob Hartzler, Iowa State University emeritus professor and Extension weed specialist pointed out in a recent Iowa Learning Farms webinar, a lot has changed in weed management in Iowa in the last 40 years.

Iowa state universityUnited statesBob hartzlerNational agricultural statistics serviceCentral weed science societyRoundup readyIowa learning farmsAgricultural statistics serviceCorn beltNorth central weed science societyஐயுவா நிலை பல்கலைக்கழகம்ஒன்றுபட்டது மாநிலங்களில்பாப் ஹார்ட்ஸ்லர்மைய களை அறிவியல் சமூகம்ரவுண்டப் ரெடீஐயுவா கற்றல் பண்ணைகள்