<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="/rtroth/sitemap_generator/default/sitemap.xsl"?>
<!--Generated by the Simple XML Sitemap Drupal module: https://drupal.org/project/simple_sitemap.-->
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1">
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/</loc>
  <lastmod>2025-12-08T12:27:59-06:00</lastmod>
  <changefreq>daily</changefreq>
  <priority>1.0</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/gold</loc>
  <lastmod>2025-12-08T12:27:59-06:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/extension</loc>
  <lastmod>2025-09-09T07:36:52-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/publications</loc>
  <lastmod>2025-09-18T21:15:12-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/roth-lab</loc>
  <lastmod>2025-01-30T15:47:56-06:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/nitrogen</loc>
  <lastmod>2026-01-13T09:11:16-06:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/sulfur</loc>
  <lastmod>2026-01-13T09:22:48-06:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/sced-lab-contact</loc>
  <lastmod>2025-12-29T10:49:47-06:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/other</loc>
  <lastmod>2025-09-09T07:42:37-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/farm-lab-open-positions</loc>
  <lastmod>2025-12-08T12:25:51-06:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/field-extension-education-laboratory</loc>
  <lastmod>2026-04-06T12:13:04-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/dr-richard-roth</loc>
  <lastmod>2025-10-17T11:32:03-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/alex-ludolph</loc>
  <lastmod>2025-12-08T12:16:00-06:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/adam-yakubu</loc>
  <lastmod>2025-12-08T12:14:30-06:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/alioune-diop</loc>
  <lastmod>2026-04-07T13:15:06-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/aaron-sassman</loc>
  <lastmod>2025-12-08T12:04:55-06:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/hannah-maher</loc>
  <lastmod>2024-12-03T14:28:44-06:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/garret-platz</loc>
  <lastmod>2024-12-03T14:29:26-06:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/dr-larousse-dorissant</loc>
  <lastmod>2025-10-17T11:32:19-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/azucena-guzman</loc>
  <lastmod>2025-10-17T13:24:01-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/brayton-diedrich</loc>
  <lastmod>2025-09-11T13:46:47-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/jackson-neil</loc>
  <lastmod>2025-09-11T13:48:24-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/shahnaz-mukta</loc>
  <lastmod>2025-10-17T12:50:57-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/rebekka-van-alstyne</loc>
  <lastmod>2026-04-06T12:09:49-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/craig-schafbuch</loc>
  <lastmod>2026-04-06T12:09:20-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/people/ninette-gonzalez</loc>
  <lastmod>2026-04-06T12:15:37-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/project/corn-nitrogen-use-efficiency-perennial-groundcover-systems-using-15n</loc>
  <lastmod>2026-04-06T12:04:08-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/project/quantifying-nitrogen-and-sulfur-release-and-bioavailability-cover-crop-residues-using</loc>
  <lastmod>2026-04-06T12:03:15-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/project/efficacy-and-degradation-commerically-available-nitrification-inhibitors</loc>
  <lastmod>2026-04-06T11:32:33-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/project/colorimetric-determination-plant-available-sulfur-agricultural-soil</loc>
  <lastmod>2026-04-06T11:36:30-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/project/does-sulfur-application-influence-economic-optimum-nitrogen-rate-corn-iowas-corn-production</loc>
  <lastmod>2026-04-06T18:31:10-05:00</lastmod>
  <priority>0.5</priority>
 </url>
 <url>
  <loc>https://faculty.sites.iastate.edu/rtroth/project/assessing-effectiveness-commercial-nitrification-inhibitors-following-different-rainfall</loc>
  <lastmod>2026-04-06T18:34:07-05:00</lastmod>
  <priority>0.5</priority>
 </url>
</urlset>
