Glyphosate Used on GMO Crops Linked to Lake Erie’s Toxic Algae Bloom
By Lorraine Chow – at Eco Watch
Glyphosate, the controversial main ingredient in Monsanto‘s Roundup and other herbicides, is being connected to Lake Erie’s troubling algae blooms, which has fouled drinking water and suffocated and killed marine life in recent years.
Phosphorus—attributed to farm runoff carried by the Maumee River—has long been identified as a leading culprit feeding the excessive blooms in the western Lake Erie basin. Now, according to a new study from chemistry professor Christopher Spiese, a significant correlation has been established between the increased use of glyphosate to the percentage of dissolved reactive phosphorus (DRP) in the runoff.
As No-Till Farmer observed from the study, DRP loads in Lake Erie increased in the mid-1990s at the same time that farmers began the widespread cultivation of crops genetically engineered to withstand multiple applications of Roundup.
“For every acre of Roundup Ready soybeans and corn that you plant, it works out to be about one-third of a pound of P [phosphorus] coming down the Maumee,” Spiese told the agricultural publication.
Here’s how the team came to the conclusion, as No-Till Farmer reported:
Through his own and others’ research, Spiese found that depending on the types of metal in the soil, glyphosate does release P. For example, when glyphosate is applied to soil containing iron oxide-hydroxide, P is immediately released. But almost nothing is removed when it’s an iron oxide material…. read more here
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Sure is empty down here...