""Within the first week of pea emergence is going to be your most critical weed-free period," says Palmier. According to research done through AAFC Lethbridge, if there are weeds that emerge two weeks after, there is generally about 26% yield loss. If they emerge three weeks after, it's up to 12% yield loss and up to 6% in four weeks."
""Then plan a properly timed in-crop herbicide where we can get onto those weeds and be able to control them early," Palmier says."
""I don't think the guys need to put them on every single combine that they have... if we're seeing the three combine outfits, maybe on one of them we can use that and that'll help to limit some of that kochia.""
Pulse crops enhance soil health, add complexity to crop rotations, and reduce nitrogen fertilizer inputs. However, they face challenges with weed competition and limited herbicide options. The critical weed-free period occurs within the first week of pea emergence, where weed presence can significantly reduce yields. Effective strategies include selecting fields based on weed history, applying pre-seed burnoff, and timing in-crop herbicide applications. Seed destructors on combines can help manage weed issues like kochia, particularly in fields with a history of strong weed pressure.
Read at Realagriculture
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