Foliar fertilizers rarely increase yield in United States soybean

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dc.contributor.authorMatcham, Emma G.en
dc.contributor.authorVann, R. Atwellen
dc.contributor.authorLindsey, Laura E.en
dc.contributor.authorGaska, John M.en
dc.contributor.authorLilley, Dylan T.en
dc.contributor.authorRoss, W. Jeremyen
dc.contributor.authorWright, David L.en
dc.contributor.authorKnott, Carrieen
dc.contributor.authorLee, Chad D.en
dc.contributor.authorMoseley, Daviden
dc.contributor.authorSingh, Maninderen
dc.contributor.authorNaeve, Seth L.en
dc.contributor.authorIrby, J. Trentonen
dc.contributor.authorWiebold, William J.en
dc.contributor.authorKandel, Hansen
dc.contributor.authorLofton, Joshen
dc.contributor.authorInman, Matthewen
dc.contributor.authorKleinjan, Jonathonen
dc.contributor.authorHolshouser, David L.en
dc.contributor.authorConley, Shawn P.en
dc.coverage.countryUnited Statesen
dc.date.accessioned2021-12-02T15:46:11Zen
dc.date.available2021-12-02T15:46:11Zen
dc.date.issued2021-09-25en
dc.description.abstractFarmers have been interested in using foliar-applied nutrient products to increase soybean [Glycine max (L.) Merr.] yield since at least the 1970s, despite limited evidence that these products offer consistent yield increases when used prophylactically. Recently, interest in foliar fertilizer products for soybean production has been renewed, likely related to elevated soybean prices. Over the 2019 and 2020 growing seasons (46 site-years), agronomists in 16 states collaborated to test six foliar nutrient treatments (commercial mixtures of macro- and micro-nutrients) on soybean grain yield and composition. Soybean grain yield and composition differed among sites but not among foliar fertilizer treatments. Results show that prophylactic foliar fertilization is likely to decrease the profitability of soybean production. Foliar fertilizer products tested in this study and similar products should not be recommended to U.S. soybean farmers in the absence of visual symptoms of nutrient deficiency.en
dc.description.notesThis research was funded by Soybean Checkoff funds through the Qualified State Soybean Board in each state. Additional support was provided by the United Soybean Board through the Science For Success initiative.en
dc.description.sponsorshipSoybean Checkoff funds through the Qualified State Soybean Board; United Soybean Board through the Science For Success initiativeen
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1002/agj2.20889en
dc.identifier.eissn1435-0645en
dc.identifier.issn0002-1962en
dc.identifier.urihttp://hdl.handle.net/10919/106812en
dc.language.isoenen
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivs 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.titleFoliar fertilizers rarely increase yield in United States soybeanen
dc.title.serialAgronomy Journalen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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