10/15/2026
Sulphur prices are climbing, making it more important than ever to ensure every pound you apply is being used effectively.
Canola’s sulphur demand rises quickly from bolting through early flowering. If it isn’t available then, you may not get full value from your nitrogen investment. With sulphur, the right source at the right time matters.
Gypsum fines are already in the sulphate form plants use. Unlike elemental sulphur, gypsum doesn’t rely on soil biology, making it’s availability more predictable. It also dissolves more slowly than ammonium sulphate, helping sulphur availability better match canola’s demand and making fall application a stronger fit.
Gypsum also supplies another macronutrient: calcium. Unlike ammonium sulphate or elemental sulphur, it does not further acidify the soil.
Predictable sulphur availability, added calcium and no further acidification make gypsum an ideal sulphur source for Central Alberta canola.
Talk to your CMN Account Manager to learn more about fall-applied gypsum.