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Take your variable rate application to the next level with SWAT MAPS.

An Introduction to SWAT MAPS

Our VP of Agronomy, Wes Anderson, gives an overview of what SWAT MAPS are, how to use them, and the process to make them.

The Benefits

Increase Your Return on Investment for Applied Nutrients


Based on the developed map, we can prescribe the optimum rates of nutrients where you’ll get the best response and decrease rates where soil nutrient supply is sufficient, excessive, or where the crop is unresponsive. The goal is to put nutrients where they have the highest potential for a return on investment.

Maximize Yield Potential

Variable rate seeding by zone is one way to maximize your yield potential. Increase seeding rates to increase plant competition with weeds. Achieve even emergence, maturity, and the full genetic potential of your hybrids by matching seeding rates to soil and water potential. 

Reduce Lodging

Address your specific nutrient balances in each zone to achieve targeted plant stands with variable rate seeding. Only use plant growth regulators in your high-risk zones.

Prevent Nitrogen Loss

SWAT MAPS identifies zones that are prone to nitrogen loss due to leaching or denitrification. Using nitrogen stabilizers in these zones can decrease the risk of nitrogen loss and your fertilizer costs when compared to a flat rate application.

Manage Salinity and Drainage

In saline areas, cut your nutrient application. You’re less likely to see a return on investment due to the limited yield potential. Compete with weeds and draw down excess water by increasing your seeding rate. 

We farm a variety of soil types and topography usually in the same field and SWAT MAPS have really helped us improve plant stands and crop maturity across those fields. Crop grades, grain moisture, and straw management have all improved with VR seeding and fertility.

- Rob D.

Manage Soil pH

Use variable rate prescriptions to apply lime, wood ash, or other soil amendments to manage soil pH and improve nutrient availability.

Improve Soil-Applied Herbicide Performance 

Soil-applied herbicide rates are based on soil properties, like organic matter, which are mapped and measured through the SWAT MAPS process. Using variable rate methods to apply the correct rate of herbicide in each zone helps maximize weed control.  Target weed species that are problematic in certain zones.

Even Crop Staging and Minimize the Risk of Disease

Achieving a proper plant stand with variable rate seeding minimizes excessive tillers in cereal crops that delay maturity, or increases plant stands in areas with low survivability. In broadleaf crops and high producing areas, minimize the risk of diseases like white mould in soybeans or canola for instance, by decreasing seeding rates.

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Learn More About Our Products

Download our brochure and learn more about our products, the process and how SWAT MAPS can be used on your farm.