Upwind Report

Glyphosate use in Tunica County, Mississippi

Estimated farm glyphosate use in Tunica County, Mississippi was 718 pounds per square mile of county land in 2019, higher than 99% of US counties.

Map of Tunica County, Mississippi and nearby counties, coloring each county's cropland by estimated farm glyphosate use per square mile of county land in the 2019 high estimate. Darker colors mean more use.

2019 numbers

Per square mile of county land718lbTop 1% in the US
US
19th of 3,060
Mississippi
3rd of 82
Per square mile of cropland874lb

Ranks are by use per square mile of county land, on the 2019 high estimate, among US counties with a value. Counties with the same value share a rank.

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A picture of Tunica County against the US county median, with the source, to post or send.

Since 2000

Up from 230 in 2000 to 718 in 2019. Pounds per square mile of county land, high estimate.

Every year's numbers
Glyphosate per square mile of county land by year, in pounds
YearLowHigh
2000225230
2001479479
2002441441
2003493498
2004709713
2005497497
2006567572
2007469469
2008685685
2009587582
2010653653
2011634652
2012813818
2013559559
2014493493
2015446451
2016296296
2017305305
2018526521
2019718718
See Tunica County on the map

About these numbers

The main number is the county's estimated farm glyphosate use for the year divided by all of its land, water left out. A county with a little farmland can use a lot per square mile of cropland and still have far less in total than a county with more farmland, so the whole-county number is the one the map colors, ranks and compares.

These are county estimates, not records. They don't show which fields were sprayed or how much any one field got.

USGS makes a low and a high estimate, which fill in use that farms didn't report in different ways.

Per square mile of cropland is the same total spread evenly over the county's cropland only, so it's higher than the whole-county number wherever only part of Tunica County, Mississippi is farmland.

Numbers are in pounds per square mile. The source gives kilograms per square kilometer, and 1 kg per km² is about 5.7 pounds per square mile.

Source: Hengl & Brungard from USGS county estimates, 2000–2019 (CC BY 4.0). Land area: US Census Bureau, 2020.

This page shows estimated farm use only. It says nothing about health and is not medical advice.