Wheat Pete's Word, Sept 13: Carbon cycling, cutting heights, P tests, and the Diefenbunker


How come the corn plants are so tall this year? It’s all about early season temperatures, says Peter “Wheat Pete” Johnson in this week’s Wheat Pete’s Word podcast.

Plus, listen on or download for later to learn about maximum nutrient impacts, root issues in disguise, cool weather impacts and more!

Have a question you’d like Wheat Pete to address or some field results to send in? Agree/disagree with something he’s said? Leave him a message at 1-888-746-3311, send him a tweet (@wheatpete), or email him at [email protected].


  • Go to the Diefenbunker in Carp, Ont. Well worth the trip! It’s right by Lyndsey’s farm, too
  • So much history there. And photo ops!
  • #plant24 here we go
  • Winter canola was up in six days, barley in five
  • It’s a little late for new alfalfa seeding
  • Both canola and barley went in a little late
  • The corn crop is still dragging along. Great yield potential, but the warmth will be so critical in the next three weeks
  • In 1992, it was cooler and later
  • Cool nights slow the corn down
  • Booo urns on the markets!
  • Yields are better than expected on edible beans
  • How do I jump to six ton/hectare wheat from four?
  • Why didn’t you get six ton wheat? Identify limiting factors, first. Start there.
  • Are all huge yields worth it?
  • Remember where you are farming and what it’s going to cost you to TRY and get all the way to sky high
  • Carbon cycling is cool, but it can take time to get rolling
  • What about BIN Cast? Does it still exist? Yes, but you have to sign up. Decision Farms
  • Eastern Ontario and east: if you grew the wrong cereal variety oh my gosh you have fusarium. Ouch
  • Pete, you are wrong wrong wrong on cutting height on silage. Whoa, whoa, whoa wait a minute
  • Starch and digestibility improve with a higher cutting height
  • If you’re short feed, don’t reduce cutting height — but in a year with ample feed, cut silage higher for better quality
  • More phosphorus the better on wheat (within reason) but don’t need the K
  • Does it pay to use a more expensive fertilizer source? Sometimes
  • Lima beans that go K deficient — what to do? Are you SURE it’s K and not SCN? or a root issue? Take the test to beat the pest!
  • Why is corn so tall this year?

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Wheat Pete's Word (view all)Season 9 (2023) Episode 15

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