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dc.contributor.authorSANZONOWICZ, C.
dc.contributor.authorSMYTH, T. J.
dc.contributor.authorISRAEL, D. W.
dc.date.accessioned2025-04-24T05:50:35Z-
dc.date.available2025-04-24T05:50:35Z-
dc.date.created1998-09-02
dc.date.issued1998
dc.identifier.citationJournal of plant nutrition, New York, v. 21, n. 4, p. 785, 1998.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/558348-
dc.descriptionAlleviation by calcium (Ca) of inhibition of soybean [Glycine max (L) Merr. cv. 'Ranson'] root elongation by hydrogen (H) aluminum (Al) was evaluated in a vertical split-root system. Roots extending from a limed and fertilized soil compartment grew for 12 days into a subsurface compartment containing nutrient solution with treatments consisting of factorial combinations of either pH (4.0, 4.6, and 5.5) and Ca (0.2,2.0,10, and 20mM), Al(7.5,15, and 30 uM) and Ca (2.0, 10, and 20mM) at pH 4.6, or Ca(2,7, and 12mM) levels and counter ions (SO and CI) at pH 4.6. and 15 uM AI. Lenght of tap roots and their laterals increased with solution Ca concentration and pH roots were greater when Ca was supplied as CaSO than CaCI, but increasing Ca concentration from 2 to 12 mM had a greater effect on alleviating AI toxicity than Ca source. In the absence of AI, relative root length (RRL) of tap and lateral roots among pH and Ca treatments was relatefd to the Ca:H molar activity
dc.language.isoeng
dc.rightsopenAccess
dc.titleCalcium alleviation of hydrogen and aluminum inhibition of soybean root extension from limed soil into acid subsurface solutions.
dc.typeArtigo de periódico
dc.subject.thesagroAlumínio
dc.subject.thesagroCálcio
dc.subject.thesagroGlycine Max
dc.subject.thesagroHidrogênio
dc.subject.thesagroRaiz
dc.subject.thesagroSoja
dc.subject.thesagroSolo
riaa.ainfo.id558348
riaa.ainfo.lastupdate2025-04-23
dc.identifier.doihttps://doi.org/10.1080/01904169809365442
dc.contributor.institutionCLAUDIO SANZONOWICZ, CPAC; NORTH CAROLINA STATE UNIVERSITY; NORTH CAROLINA STATE UNIVERSITY.
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