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Cited by 11 publications
(12 citation statements)
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“…In this case, the higher k" values were due to greater amounts of K released from the nonexchangeable pool. Similar results were reported by Mengel et al (1998) in loess-derived soils and by Castilhos et al (2002) and Villa et al (2004) in lowland soils.…”
Section: Resultssupporting
confidence: 89%
“…In this case, the higher k" values were due to greater amounts of K released from the nonexchangeable pool. Similar results were reported by Mengel et al (1998) in loess-derived soils and by Castilhos et al (2002) and Villa et al (2004) in lowland soils.…”
Section: Resultssupporting
confidence: 89%
“…Similar results were observed by Mielniczuk & Selbach (1978) in soils of the state of Rio Grande do Sul. In other cases, boiling 1 mol L -1 HNO 3 can underestimate Kne, indicating a participation of non-exchangeable forms used by plants that are not extracted through this methodology (Nachtigall & Vahl, 1991;Silva et al, 2000;Cabbau et al, 2004;Villa et al, 2004). These results, as the ones observed in the present study, compromise the generalization of the use of boiling 1 mol L -1 HNO 3 as an index of Kne supply to plants.…”
Section: Resultsmentioning
confidence: 45%
“…As perdas de potássio no solo podem estar relacionadas ao fenômeno de lixiviação e a baixa CTC do solo (VILLA et al, 2004).…”
Section: Resultsunclassified