Bill Johnson
@BillJohnson53
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Weed Scientist (plants out of place weeds-not the other kind of "weed")/Technical Agronomist - Tweets are my own!
Joined October 2011
RT @IowaWeeds: At meeting in Indy was asked if evolution of the prolonged emergence pattern could explain the spread of ‘weedy’ waterhemp.…
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Field Research Assistant position available with Dr. Darcy Telenko at Purdue University -
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RT @mjanders1: Controlled traffic can help reduce field wide compaction and yield reductions because about 80% of your compaction is caused…
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RT @mjanders1: Registration is now open for #CropAdvantage meetings across Iowa in January! Join us in Ankeny on Jan. 22! #ISUCrops
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RT @ISUCropNews: What about sulfur when it comes to making fertilizer decisions? @DrRichardRoth and @mjanders1 share some good insight on t…
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RT @DTelenko: Check out our new article summarizing some of our research on tar spot management @PurdueAg @PurdueExtension @PurdueBPP
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RT @DTelenko: To answer some of the questions I have been receiving here's a short video on our fungicide timing research for tar spot http…
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RT @PurdueCorn: Sulfur deficiency rearing its ugly head in corn following a rye cover crop. Just as important to pay attention to S followi…
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RT @PurdueExtension: Mark your calendars! 📷 Join us for the Midwest Mechanical Weed Control Field Day at Meigs Horticulture Research Farm o…
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RT @mjanders1: Asian copperleaf showed up earlier than we expected this year! See seedling images and what to look for in your fields in th…
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RT @midwestern_ope: Pretty certain that if all world leaders sat around this table and had a couple beers at 2am it would solve all the wor…
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RT @midwestern_ope: Fun Things to Do in the Midwest: - get a bug bite - drive around and hit potholes - heat stroke or hypothermia depe…
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I have gotten lots of calls/texts/emails about poor control of annual ryegrass cover crops in the eastern cornbelt this spring. Here is a publication we did a few yrs ago that outlines control measures in burndown situations. @PurdueAg @PurdueExtension
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