Fixation of potassium in some soils of the subhumid zone of Nigeria

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dc.creatorTening, A.S.
dc.creatorOmueti, J.A.I.
dc.creatorTarawali, G.
dc.date1995-04
dc.date2013-05-06T07:00:35Z
dc.date2013-05-06T07:00:35Z
dc.date.accessioned2026-06-27T16:53:52Z
dc.descriptionStudies of potassium (K) fixation in the soil were conducted by evaluating the effect of applied K on the extractability of K with time. A series of five K-sorption treatment solutions, 0.11, 0.22, 0.45, 0.90, and 1.80 cmol/kg were prepared and applied as potassium chloride (KC1) to three sets of soils. The first set of soil samples was extracted with one normal ammonium acetate (1N NH4OAc) extractant for K after one day of incubation. The second and third sets were extracted with the same extractant after seven and 42 days of incubation, respectively. The amount of K fixed was determined. Correlation between applied K and K fixed was carried out. The mean proportion of K fixed ranged from 0 in soils from Kurmin Biri to 55 percent in soils from Funafuna upon addition of 0.11 cmol k/kg. While fixation increased with increase in the concentration of added K, there was no linear relationship between the proportion of K fixed and the amount added at higher incubation periods. Potassium recovered also increased with added K in all the incubation periods with the 42-day period having the highest amount of K recovered. Potassium added was highly correlated (P<0.01) with K fixed during all the incubation periods.
dc.identifierhttps://hdl.handle.net/10568/28425
dc.identifier.urihttp://hdl.handle.net/123456789/136454
dc.languageen
dc.publisherInforma UK Limited
dc.rightsLimited Access
dc.sourceCommunications in Soil Science and Plant Analysis;26(7&8): 1169-1177
dc.subjectsubhumid zones
dc.subjectpotassium
dc.subjectsoil
dc.subjectchemicophysical properties
dc.titleFixation of potassium in some soils of the subhumid zone of Nigeria
dc.typeJournal Article

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