Effects of long-term K fertilization and liming on the extractable and exchangeable K contents of a Haplic Phaeosem soil

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dc.contributor.authorBerta-Szabó, Emese
dc.contributor.authorZsigrai, György
dc.contributor.authorSzabó, Anita
dc.contributor.authorLoch, Jakab
dc.date.accessioned2021-06-28T11:02:21Z
dc.date.available2021-06-28T11:02:21Z
dc.date.issued2010-10-05
dc.description.abstractEffects of regular K fertilization and liming on the easily extractable K content of a Haplic phaeosem soil determined in 0.01 M CaCl2 and AL (traditional method in Hungary) were examined in the B1740 type of the National Uniformed Long-Term Fertilization Experiments at Karcag. Close correlation (r=0.95) was found between the 0.01 M CaCl2 and ammonium lactate - acetic acid (AL) extractable K contents of soils. K fertilization increased the amount of 0.01 M CaCl2 and AL extractable K significantly. Liming had different effects on the amounts of K extracted by these two methods. Liming increased the amount of AL-K and decreased the amount of CaCl2-K. CaCl2 extractable K was in close correlation with the relative amount of exchangeable K content of the soil (K%) and the agronomic K balance. The results of regression analysis confirmed that the CaCl2-K characterized K% and the AL-K related to the absolute amount of exchangeable K. On the basis of the presented results it can be stated that the 0.01 M CaCl2 is able to detect not just the increase of easily extractable K caused by fertilization and liming but the changing of the rate of the relative amount of exchangeable K.en
dc.formatapplication/pdf
dc.identifier.citationActa Agraria Debreceniensis, No. I (2010): Journal Of Agricultural Sciences - Supplement , 141-145
dc.identifier.issn2416-1640
dc.identifier.issueI
dc.identifier.jatitleActa agrar. Debr.
dc.identifier.jtitleActa Agraria Debreceniensis
dc.identifier.urihttps://hdl.handle.net/2437/317188en
dc.languageen
dc.relationhttps://ojs.lib.unideb.hu/actaagrar/article/view/8392
dc.rights.accessOpen Access
dc.subjectlong-term experimenten
dc.subject0.01 M CaCl2 extractable K content of soilen
dc.subjectHaplic phaeosem soilen
dc.titleEffects of long-term K fertilization and liming on the extractable and exchangeable K contents of a Haplic Phaeosem soilen
dc.typefolyóiratcikkhu
dc.typearticleen
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