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Timing, Placement and Soil Testing Key to Preventing Phosphorus Losses

Edge-of-field monitoring on 17 farms in Wisconsin and Minnesota highlights the need for no-tillers to apply ‘P’ under the soil surface and sample soils at varying depths.
By John Dobberstein posted on June 10, 2017 | Posted in Nutrient Management, Water Management
Edge-of-field monitoring on 17 farms in Wisconsin and Minnesota highlights the need for no-tillers to apply ‘P’ under the soil surface and sample soils at varying depths.
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Scientists: Glyphosate Contributes to Phosphorus Runoff in Lake Erie

Low soil pH and certain metals are causing glyphosate to release phosphorus from the soil, which is responsible for about 25% of dissolved reactive phosphorus runoff in the Maumee watershed.
By Laura Barrera posted on June 11, 2016 | Posted in Crop Protection, Nutrient Management
Scientists now know that the increase in dissolved reactive phosphorus (DRP) runoff that’s been plaguing the western Lake Erie basin is mostly coming from farms located in the Maumee watershed.
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Frank Comments

No-Till Not Phosphorus Culprit

By Frank Lessiter posted on July 1, 2011
As increased levels of dissolved phosphorus are identified as a major concern dealing with the increased algal blooms found in Lake Erie, some folks have been pointing a finger at no-till as the cause. Yet the facts regarding phosphorus runoff in the Western Lake Erie Basin watershed near Toledo, Ohio, don't back up that argument.
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