In this week’s Word, Peter Johnson, resident agronomist for RealAgriculture and host of this weekly podcast, gives us the highlights of the SouthWest Ag Conference, and manages to squeeze in a few questions around cover crops, fungicides and soil sampling.

Have a question for Wheat Pete? Call 1-888-746-3311, send him a tweet (@wheatpete), or email him at [email protected]


  • Gude to Weed Control (Publication 75), available now.
    Gude to Weed Control (Publication 75), available now.

    The Guide to Weed Control is available now.

  • SouthWest Ag Conference highlights.
  • Dave Hooker on nitrogen and fungicides interacting the same way in corn as they do in wheat. Synergy where 1+1 does not equal just 2.
  • Residual fertility makes a huge difference.
  • New research with glyphosate tolerant crops shows critical weed free period might be much earlier than we thought on corn.
  • Marketing – Big, big crops, big, big carryovers.
  • It looks like 2016 spring residue will be decomposed much more than 2015.
  • Don’t farm last year’s weather!
  • Tile drainage – seems to have a good impact on dry years as well as wet.
  • If you rent or own in Ontario, tile.
  • Is there any research that says the yield benefit from other cover crops is as good as red clover?
  • We have to be much better at understanding when nitrogen releases out of cover crops.
  • Roots Not Iron project – tried cover crop in corn. More work needs to be done on this.
  • Soil sampling – in high yield zones, really low fertility. In low yields, incredibly high fertility. Makes sense, right?
  • Buctril M + fungicide +20 gallons water = burn in wheat. What do I do?


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