{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T23:42:38Z","timestamp":1787960558851,"version":"build-2784847793"},"reference-count":41,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2020,12,10]],"date-time":"2020-12-10T00:00:00Z","timestamp":1607558400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["scijournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Sci Food Agric"],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>BACKGROUND<\/jats:title><jats:p>Zinc (Zn) deficiency in crops is commonly aggravated by high levels of phosphorus (P) in soil. In this work, the initial performance of pot\u2010growing maize in response to the available P and Zn in soils with low available Zn and to the application of P and Zn fertilizers was investigated.<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>The soils (six non\u2010calcareous and 14 calcareous) ranged widely in available P (Olsen P: 5.5\u201337.9\u2009mg\u2009kg<jats:sup>\u22121<\/jats:sup>), were poor in available Zn [diethylenetriaminepentaacetic acid\u2010extractable Zn (Zn<jats:sub>DTPA<\/jats:sub>): 0.20\u20130.84\u2009mg\u2009kg<jats:sup>\u22121<\/jats:sup>] and had an Olsen P\/Zn<jats:sub>DTPA<\/jats:sub> ratio of 13 to 111\u2009mg\u2009mg<jats:sup>\u22121<\/jats:sup>. Soil P application generally increased aerial dry matter (ADM) yield; Zn increased ADM yield mostly when applied in combination with P; and the sole application of Zn increased yield only in a soil with a high (28\u2009mg\u2009kg<jats:sup>\u22121<\/jats:sup>) Olsen P and a low (0.36\u2009mg\u2009kg<jats:sup>\u22121<\/jats:sup>) Zn<jats:sub>DTPA<\/jats:sub>. The increase in ADM yield resulting from optimal application of P and\/or Zn to the soil was modest in soils where the Olsen P\/Zn<jats:sub>DTPA<\/jats:sub> ratio was 30\u201360 and Olsen P was &gt;14\u2009mg\u2009kg<jats:sup>\u22121<\/jats:sup>. Zinc uptake by the control plants was correlated with the Zn<jats:sub>DTPA<\/jats:sub> of the soil. For a certain Zn<jats:sub>DTPA<\/jats:sub> value, the level of plant available Zn was higher in non\u2010calcareous than in calcareous soils.<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSION<\/jats:title><jats:p>Soil application of fertilizer P and Zn, in soils with low levels of available Zn, should not only aim at increasing the available P and Zn levels but also balancing them at the appropriate Olsen P\/Zn<jats:sub>DTPA<\/jats:sub> ratio, which was found to lie in the 30\u201360 range in the present study. \u00a9 2020 Society of Chemical Industry<\/jats:p><\/jats:sec>","DOI":"10.1002\/jsfa.10940","type":"journal-article","created":{"date-parts":[[2020,11,20]],"date-time":"2020-11-20T15:12:13Z","timestamp":1605885133000},"page":"3056-3064","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Optimum Olsen Phosphorus\/Zinc<scp><sub>DTPA<\/sub><\/scp> ratio for the initial growth of maize in agricultural soils of the Mediterranean region"],"prefix":"10.1002","volume":"101","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6174-7624","authenticated-orcid":false,"given":"Daniel","family":"Sacrist\u00e1n","sequence":"first","affiliation":[{"name":"Departamento de Agronom\u00eda Universidad de C\u00f3rdoba  C\u00f3rdoba Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7294-3188","authenticated-orcid":false,"given":"Adri\u00e1n","family":"Gonz\u00e1lez\u2010Guzm\u00e1n","sequence":"additional","affiliation":[{"name":"Departamento de Agronom\u00eda Universidad de C\u00f3rdoba  C\u00f3rdoba Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7725-105X","authenticated-orcid":false,"given":"Jos\u00e9","family":"Torrent","sequence":"additional","affiliation":[{"name":"Departamento de Agronom\u00eda Universidad de C\u00f3rdoba  C\u00f3rdoba 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