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Thompsons is first agri-retailer to earn 4R Nutrient Stewardship Certification in Ontario

Thompsons Kent Bridge staff worked diligently with an independent, third-party auditor to be the first to pass the rigorous 37 standards set by the program.

The voluntary program certifies nutrient service providers in the Western Lake Erie Basin and across Ontario that apply or make recommendations on fertilizers in accordance with 4R Nutrient Stewardship principles – which refers to using the Right Source of nutrients at the Right Rate, at the Right Time and in the Right Place. 

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Planting seeds in field photo

Thompsons first 4R Certified Retailer in Canada

On Tuesday, March 5, 2019, Thompsons Limited successfully passed Fertilizer Canada’s 4R retailer certification audit, and doing so, the Company becomes the first retail site in Canada to achieve this status.

The company thanks the hard work from all staff at Thompsons Kent Bridge branch, and Colin Elgie, Thompsons Agronomy Solutions Specialist who headed up the effort and for making this important commitment to the sustainability of farming and the environment, our customers and future generations.

corn seedling

Benefits of starter fertilizers


A starter fertilizer application is key to achieving the highest yield possible. It promotes an increase in early season plant growth, increased nutrient availability, and earlier crop maturity.

Applied nutrients are used more efficiently and provide a greater return on investment for your fertilizer dollars.

Finally, starter fertilizers promote good environmental stewardship because Read more

Late Application of Nitrogen

Late season nitrogen application

Corn N ChartLate season nitrogen application has been a hot topic amongst farmers and uptake in this practice has increased in recent years. The expense and environmental impact has made growers think differently about nitrogen application.

Weather extremes has also caused growers to change the way they apply nitrogen to mitigate loses from excessive rainfall when applying all their nitrogen ahead of planting. Read more

Reduce production costs without sacrificing yield

Falling commodity prices mean growers are concerned with their profit per acre. Input costs have remained high and have not adjusted to where farmers believe they should be. Until prices change, strategic adjustments will have to be made to stay profitable during lower commodity pricing years. Thompsons has identified 5 ways to help you reduce production costs without sacrificing yield.

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Potassium deficiency in corn source:

Potassium is a key ingredient to producing quality crops

Potassium (K) levels have been declining in Ontario fields. Many fields that have been sampled have noticed a drop in their soil sample potassium levels from a few years ago. Simply said, growers are not applying enough fertilizer. In some cases fertilization is less than what the crop will remove causing a decrease in soil nutrient reserves. Potassium is one of the three nutrients needed in large quantities by plants. This essential nutrient could be a limiting factor in your crop yields if your soil is not maintained at adequate levels.

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