Upwind Report

Glyphosate use in Gibson County, Indiana

Estimated farm glyphosate use in Gibson County, Indiana was 561 to 566 pounds per square mile of county land in 2019, higher than 97% of US counties.

Map of Gibson County, Indiana 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 land561 to 566lbTop 3% in the US
US
68th of 3,060
Indiana
7th of 92
Per square mile of cropland628 to 634lb

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 Gibson County against the US county median, with the source, to post or send.

Since 2000

Up from 159 in 2000 to 566 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
2000159159
2001164164
2002200210
2003241241
2004215215
2005292292
2006292302
2007425425
2008363363
2009482487
2010394394
2011496496
2012491491
2013479479
2014459459
2015581581
2016556556
2017464474
2018444444
2019561566
See Gibson 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 Gibson County, Indiana 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.