Top dress timing

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.

Please read the updated version of this article.

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.

Canola fields may benefit from a top-dress application of nitrogen or sulphur (or both) if logistics and weather prevented the full recommended application of fertilizer at or before seeding, and…