HomePublicationsCrops & SoilsIssuesCrops & Soils: Volume 57, Issue 3Celebrating 30+ Years of Certification May 1, 2024 We recognize, congratulate, and thank the following professionals who have been certified for 30 or more years. Thank you for your continuing dedication, service, and commitment to excellence.AlaskaSparrow, Elena, Fairbanks, AK (CPSS)AlabamaPage, Sanderson, Fairhope, AL (CPSS)Simmons, Charles, Moulton, AL (CPSS)ArkansasSimmons, Eldon, Jonesboro, AR (CCA-AR)Whitby, C. Hugh, Wynne, AR (CCA-AR)Wood, Dennis, Wynne, AR (CCA-AR)CaliforniaArroues, Kerry, Hanford, CA (CPSS)Bruice, Carl, Rocklin, CA (CCA-WR, CA-NSp)Davis, Marie, Georgetown, CA (CPSS)Davis, Sidney, Georgetown, CA (CPSS, CPSC)Duckering, Dale, Clovis, CA (CPSS, CCA-WR, CA-NSp)Feenstra, Glenn, San Jacinto, CA (CCA-WR, SSp, MM, CA-NSp)Grangetto, Edward, Escondido, CA (CCA-WR, SSp, CA-NSp)Perry, Donald, Hollister, CA (CCA-WR, CA-NSp)Prichard, Terry, Oakdale, CA (CPSS, CCA-WR, CPAg, CA-NSp)Quist, Aron, Blythe, CA (CPSS, CCA-WR, CPAg, CA-NSp)Rahn, Bryan, Angwin, CA (CPSS, CCA-WR, CPAg, CA-NSp)Rittiman, Carl, Mendocino, CA (CPSS)Simmons, Ward, Riverside, CA (CCA-WR)Taskey, Ronald, Atascadero, CA (CPSS, CPSC)Wiley, Joel, Aromas, CA (CCA-WR, CA-NSp)ColoradoCarlson, Kenneth, Englewood, CO (CPSS)Nyenhuis, James, Fort Collins, CO (CPSS)Smith, Peter, Dacono, CO (CPSS, CPSC)ConnecticutCastanho, Martina, East Lyme, CT (CPSS)Fortunato, Donald, East Lyme, CT (CPSS)DelawareDownard, Ralph, Wilmington, DE (CPSS)FloridaBrown, Mark, Gainesville, FL (CPSS)Cooper, James, Tallahassee, FL (CPSS)Fox, Thomas, Yulee, FL (CPSS)Sawka, Gregory, Fort Pierce, FL (CPSS)Spindler, James, Lakeland, FL (CCA-FL, CPSS, CPAg)Sullivan, Kevin, Vero Beach, FL (CPSS, CPSC)GeorgiaKleto, Pete, Grantville, GA (CPSC)Kring, Timothy, Sugar Hill, GA (CPSC)Malik, Hameed, Martinez, GA (CPSS)Spotts, James, Atlanta, GA (CPSS)IowaAnderson, Barry, Ames, IA (CCA-NE, PASp)Bergeson, John, Runnells, IA (CCA-IA, 4R NMS, RMS)Franke, Quintin, Neola, IA (CCA-IA)Gomes, Shannon, Decorah, IA (CCA-IA, CPSS)Hillyer, Thomas, West Liberty, IA (CCA-IA)Kassel, Paul, Spencer, IA (CCA-IA, CPAg)Louscher, Scott, Paullina, IA (CCA-IA)Marlow, Michael, Bondurant, IA (CCA-OK)Mechler, Dean, Spencer, IA (CCA-IA)Metzger, Kurt, West Bend, IA (CCA-IA)White, Michael, Indianola, IA (CCA-IA, CPAg, SSp)IdahoMengel, Denny, Boise, ID (CPSS)IllinoisBellm, Robert, Eagarville, IL (CCA-IL)Beseke, Alan, Beecher, IL (CCA-IL)Bramstedt, Mark, Yorkville, IL (CPSS)Cate, Bradley, Savanna, IL (CPSS, CPSC)Dowell, Mark, Urbana, IL (CCA-IL)Elmer, Steven, Geneseo, IL (CPSS, CPSC)Ferrie, Kenneth, Heyworth, IL (CCA-IL, 4R NMS)Fitch, Bryan, Herrin, IL (CPSC)Follis, Robert, Galva, IL (CCA-IA)Forsberg, Roger, Clinton, IL (CCA-IL)Gaines, Douglas, Worden, IL (CPSS)Gucker, Douglas, Cisco, IL (CCA-IL)Huber, Ted, Windsor, IL (CCA-IL, 4R NMS)Kelsey, Patrick, Aurora, IL (CPSS, CPSC)Klemp Bosko, Mary, Wadsworth, IL (CPSS)Lenz, Gary, Hanna City, IL (CPSS, CPSC)Logan, Edward, Griggsville, IL (CCA-IL)Lohse, John, Rochester, IL (CPSS)Monken, Edward, Carlyle, IL (CCA-IL)Niemeyer, John, Breese, IL (CCA-IL, 4R NMS)Paul, Lyle, DeKalb, IL (CCA-IL)Schonert, Larry, Catlin, IL (CCA-IL)Shier, Marion, Chenoa, IL (CCA-IL)Smith, J. David, Windsor, IL (CCA-IL)Tarter, Kevin, Canton, IL (CCA-IL)Wambeke, Brian, Morrison, IL (CCA-IL)Weeks, Olaf, Wheaton, IL (CPSS)Wells, Robert, Bement, IL (CCA-IL, RMS)IndianaFlohr, Lewis, Frankfort, IN (CCA-IN, CPSS, CPAg)Jones, Robert, Carlisle, IN (CPSS, CPSC)McClain, Mark, Carmel, IN (CPSS, CPSC)Ralston, David, Newburgh, IN (CPSS)Wade, Steven, Linton, IN (CCA-RET, CPAg-RET, CPSS)KansasBauer, George, Hiawatha, KS (CCA-KS)Baxa, Lawrence, Ingalls, KS (CCA-KS)Ehrhart, Matt, Manhattan, KS (CCA-KS)Reneberg, Ronald, Kensington, KS (CCA-KS)Sohm, Gregory, Rolla, KS (CCA-KS)Williams, Jeffrey, Sabetha, KS (CCA-KS)LouisianaInman, Brad, Covington, LA (CPSS)MassachusettsAverill, Albert, Montague, MA (CPSS)Flaherty, Gary, Lakeville, MA (CPSS)Pickering, Edward, Cambridge, MA (CPSS)MarylandGerber, Timothy, Bel Air, MD (CPSS)Gross, Christoph, Ellicott City, MD (CPSS)Hoddinott, Keith, Street, MD (CPSC)Rabenhorst, Martin, College Park, MD (CCA-NR, CPSS, CPAg)MaineBakajza, George, Greenville Junction, ME (CPSS, CPSC)Noel, Joseph, South Berwick, ME (CPSS)MichiganMiller, Gerald, Grand Rapids, MI (CPSS)MinnesotaBalogh, James, Duluth, MN (CCA-MN, CPAg, 4R NMS)Broscoff, Kent, Howard Lake, MN (CCA-MN, CPAg)Carlson, Kevin, Pine City, MN (CCA-MN, CPAg)Crowley, Clement, Howard Lake, MN (CCA-MN)Danielson, Troy, Buffalo, MN (CCA-MN)Fasching, James, Waconia, MN (CCA-MN)Fore, Zachary, Mentor, MN (CCA-MN, CPAg)Fuchs, Dennis, Waite Park, MN (CCA-MN)Jacobs, Anthony, Lake Crystal, MN (CCA-MN)Jacobs, Brian, Alden, MN (CCA-MN)Koehler, Jeffrey, Belgrade, MN (CCA-MN)Mayer, Randy, Harmony, MN (CCA-MN)Meier, Brian, Sanborn, MN (CCA-MN)Miller, Jay, Rochester, MN (CCA-MN)Nicolai, David, Farmington, MN (CCA-MN)Scharf, Mark, Madison Lake, MN (CCA-MN)Tollberg, David, North Branch, MN (CCA-WI, CCA-MN)Vander Beek, John, Richmond, MN (CCA-MN)Whitmyer, Robert, Rice Lake, MN (CPSS)Williams, Brian, LeSueur, MN (CCA-MN)MissouriBoyles, Larry, Fisk, MO (CCA-MO)Briscoe, James, Memphis, MO (CCA-MO)Browning, Leland, Appleton City, MO (CCA-MO)Brush, Lyndon, Hartsburg, MO (CCA-MO, CPAg)DeWitt, Thomas, Rogersville, MO (CCA-MO, CPSS)Felton, Mark, Saint Louis, MO (CPSS)Flanary, Wayne, St Joseph, MO (CCA-MO, CPAg)Hoffman, C. Phillip, Trenton, MO (CCA-MO)Hoffman, Christopher, Trenton, MO (CCA-MO)Roberts, Rodney, Trenton, MO (CCA-MO)MississippiBrace, Gerald, Brandon, MS (CPSS)MontanaLarson, Michael, Bozeman, MT (CPSS)Surbrugg, J. Edward, Helena, MT (CPSS)North CarolinaBaldwin, Lawrence, Harkers Island, NC (CPSS, CPSC)Kays, Barrett, Raleigh, NC (CPSS)Lindbo, David, Pittsboro, NC (CPSS)North DakotaCihacek, Larry, Fargo, ND (CCA-ND, CPSS, CPAg)NebraskaGeis, Ronald, Newcastle, NE (CCA-NE)Larson, James, Gurley, NE (CCA-NE)Lloyd, Randy, North Platte, NE (CCA-NE)Schroeder, Larry, Omaha, NE (CCA-IA)Seybold, Cathy, Lincoln, NE (CPSS)Umland, Matthew, Jansen, NE (CCA-NE)Vrbka, Thomas, Bellevue, NE (CCA-NE)Ward, Raymond, Kearney, NE (CCA-NE, CPSS, CPAg)New HampshirePeragallo, Thomas, Rindge, NH (CPSS, CPSC)Ramborger, Terry, Peterborough, NH (CPSS)New JerseyLevine, Paul, East Windsor, NJ (CPSS)Salinas, Luis Miguel, Manalapan, NJ (CPSS)New YorkGilbert, Mallory, Troy, NY (CPSS)Hepner, Lawrence, South Kortright, NY (CPSS)Smith, Gerald, Elizabethtown, NY (CPSS)OhioBailey, Bruce, Canton, OH (CPSS)Haun, G. Wesley, West Liberty, OH (CCA-OH, CPSS, CPAg)OregonCampbell, Steven, Portland, OR (CPSS, CPSC)Kitzrow, Gary, Oakland, OR (CPSS, CPSC)Lewis, Dianne, La Grande, OR (CPSS)Ruby, Timothy, Portland, OR (CPSS)Wilson, Steven, Portland, OR (CPSS)PennsylvaniaBacon, Seth, Pottstown, PA (CPSS)Mueller, Laurel, Forksville, PA (CPSS, CPSC)Ratvasky, Timothy, Washington, PA (CPSS)Sams, Margaret, Venetia, PA (CPSS)South CarolinaDeFrancesco, Dennis, Simpsonville, SC (CPSS, CPSC)South DakotaHolm, Terry, Brandon, SD (CCA-MN)Malo, Douglas, Brookings, SD (CPSS)TexasDavol, Phebe, Florence, TX (CPSS)DeMuro, Gerald, El Paso, TX (CPSS)Janak, Edward, Fredericksburg, TX (CPSS)UtahNelson, Daniel, Syracuse, UT (CPSS)VirginiaEbodaghe, Denis, Petersburg, VA (CPSS)Sledjeski, William, Chantilly, VA (CPSS)VermontVillars, Thomas, Norwich, VT (CPSS)WashingtonGaarder, Jeffrey, Bainbridge Island, WA (CPSS)Hunner, Walter, Electric City, WA (CPSS)Palazzi, Lisa, Olympia, WA (CPSS)Shields, Walter, Seattle, WA (CPSS)Small, E. Philip, Spokane, WA (CPSS)Zupancic, John, Vancouver, WA (CPSS)WisconsinBenzel, Tracy, Mercer, WI (CPSS)Deutsch, Paul, Eagle, WI (CPSS, CCA-WR, CPAg, CA-NSp)Laing, Larry, Germantown, WI (CPSS)Liegel, Edward, Loganville, WI (CCA-WI, CPSS, CPAg, 4R NMS)West VirginiaKingsbury, David, Bruceton Mills, WV (CPSS)WyomingDeines, Steven, Pine Bluffs, WY (CCA-NE)Peak, Myra, Green River, WY (CPSS)Text © . The authors. CC BY-NC-ND 4.0. Except where otherwise noted, images are subject to copyright. Any reuse without express permission from the copyright owner is prohibited.Share this: Related articles Transformative agricultural solutions need co-production October 14, 2026 Grazing cornstalks and cover crops: What advisers need to know October 14, 2026 Global agronomy special session set for CANVAS 2026 October 13, 2026 Recent articles Grazing cornstalks and cover crops: What advisers need to know October 14, 2026 Fast, portable, or precise? 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