Misgivings About How a Weed Killer Affects the Soil

[unable to retrieve full-text content]Some farmers are examining their soil, and finding cause for concern after years of using glyphosate to kill weeds in their fields.

Source: http://www.nytimes.com/2013/09/20/business/misgivings-about-how-a-weed-killer-affects-the-soil.html?partner=rss&emc=rss

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