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The ability to apply nutrients to your soil in either the spring or the fall brings a newfound sense of flexibility to your nutrient management plan and on-farm logistics. Smart Nutrition MAP+MST is designed for application in the spring or the fall to ensure the timing of nutrient availability can help maximize crop production. Learn more about both seasons to find out which timing is best for your farm.
Fall Application
As soil begins to cool down in the later months of the year, there is a prime opportunity to supply it with the nutrients it needs for the upcoming growing season. In certain geographies, a fall application of Smart Nutrition MAP+MST in cooler weather conditions will allow sulfur to stay in your soil until it is warm enough to become available in the sulfate form. The slow-release sulfur combined with phosphorus—a nutrient that is relatively immobile in soil—ensures the season-long availability of nutrients compared to conventional sources.
Our micronized sulfur technology (MST) ensures that sulfur resists overwinter and early spring leaching losses. This is due to its ability to drastically reduce the speed of conversion (sulfur to sulfate) in cold soils. As the soil warms up and microbial activity increases, the micronized elemental sulfur is quickly oxidized for maximum crop uptake. A fall application of Smart Nutrition MAP+MST ensures that your sulfur is not converted into its plant-ready form until you and your crops are ready in the spring.
Quick Tip: Wait until soil temperatures drop below 50°F/10°C to apply during the fall season. This temperature is a great benchmark for ensuring a reduction in microbial activity (as temperatures fall, microbial activity decreases, and sulfur is not oxidized until the spring).
Smart Nutrition MAP+MST provides growers and ranchers with a new level of convenience. By combining sulfur and MAP into one homogeneous product, farmers have more flexibility than ever in their nutrient management plans.
Uncover fall application recommendations for canola crops grown in the Canadian Prairies and upper northern United States, northern and southern corn and winter and spring wheat.
Spring Application
Smart Nutrition MAP+MST is also suitable for spring applications in all geographies. As the growing season begins and the sun begins to shine down on our fields, an application of Smart Nutrition MAP+MST will provide your crops with the sulfur they need all season long. In warmer temperatures, sulfur is quickly converted into a sulfate form for maximum crop uptake in most environments. This is due to the rapid elemental sulfur oxidation process mentioned above.
Whether farmers choose to apply in the spring or the fall, Smart Nutrition MAP+MST offers oxidation rates that are quick enough in warmer temperatures to ensure maximum crop nutrition and nutrient availability.
When applying Smart Nutrition MAP+MST in the spring or fall, we recommend a surface broadcast of the product followed by some type of incorporation to establish proper contact between the fertilizer granule and the surrounding soil. This ensures that when soil temperatures rise, Smart Nutrition MAP+MST gives you an optimum rate of oxidation due to good microbial activity.
Learn more about how Smart Nutrition MAP+MST can benefit all your crops and how you can apply the product to your various crop types today.
For more information, contact your local rep or ask an agronomist.
