Sulphur deficiency incidents increase in Ontario

Monday, 25 June 2018 | Ontario
By FieldCropNews
Sulphur deposition in parts of southern Ontario have dropped 12.5 per cent since 1990 and there are more frequent incidents of sulphur deficiencies, according to the latest Ontario Field Crop Report. 

It is enouraged to watch for symptoms of sulphur deficiency in alfalfa specifically. For winter wheat, the most recent Ontario research suggests that 10 lbs of sulphur per acre is the optimal rate. However, this varies depending on location. In corn and soybeans, there have been isolated instances of sulphur deficiency to date, largely in light-textured soil. A number of on-farm trials are underway this season to evaluate response to sulphur on all three crops across a range of soils.

The latest crop report covers sulphur uptake, impact of soil type and guidelines for Ontario field crops, so producers can identify and manage fields that are most at risk of sulphur limitation. | READ MORE

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