Without enough sulphur, canola cannot produce top yields – no matter how much of the other nutrients are available. Please read an updated version of this article.
Top dress: Identify N and S deficiency
Please read an updated version of this article. The Fertilizer section of the Canola Encyclopedia has more on nutrient deficiency symptoms. Look under the chapters headings for each nutrient.
Top dress tips for nitrogen and sulphur
Western Canada has a short growing season. Crops in Western Canada start to take up nutrients early and uptake escalates quickly. For these reasons, the ideal timing for fertilizer application is at seeding. This saves an extra pass over the field and ensures that the expected fertilizer requirement is in place when the crop needs…
Top dress timing
Please read an updated version of this article.
Top dress — yes or no?
Please read the updated version of this article.