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dc.creatorReis, Thiago Henrique Pereira-
dc.creatorFurtini Neto, Antônio Eduardo-
dc.creatorGuimarães, Paulo Tácito Gontijo-
dc.creatorCuri, Nilton-
dc.creatorGuerra, Antônio Fernando-
dc.creatorMarques, João José-
dc.identifier.citationREIS, T. H. P. et al. Dynamics of forms of inorganic phosphorus in soil under coffee plants as a function of successive annual additions of the nutrient. Communications in Soil Science and Plant Analysis, New York, v. 42, n. 8, p. 980-991, 2011.pt_BR
dc.description.abstractPhosphorus (P) dynamics and availability in soils are influenced by P fertilization. This paper aimed to evaluate inorganic P fractions bonded to calcium (Ca), iron (Fe), and aluminum (Al), associating them with soil mineralogy. The experiment was carried out using an acidic kaolinitic–oxidic soil, located in an irrigated area cultivated with coffee plants (Coffee arabica L.), submitted to successive annual fertilizations with triple superphosphate doses of 0, 50, 100 200, and 400 kg ha−1 phosphorus pentoxide (P2O5) in randomized blocks with three replications. Phosphorus fractions were determined in soil samples collected at two depths, 0–10 and 10–20 cm, according to the methodology used by Chang and Jackson (1957 Chang, S. C. and Jackson, M. L. 1957. Fractionation of soil phosphorus. Soil Science, 84: 133–144. [CrossRef], [Google Scholar] ). The inorganic P fractions presented the following sequence: P-Al > P-Fe > P-Ca. The dynamics of forms of inorganic P showed that P-Al is controlling the P bioavailability as a result of an acidic pH and a very simple and thermodynamically stable clay mineralogy, typical of very weathered and old tropical soils.pt_BR
dc.publisherTaylor & Francis Grouppt_BR
dc.sourceCommunications in Soil Science and Plant Analysispt_BR
dc.subjectKaolinitic–oxidic soilpt_BR
dc.subjectSoil chemistrypt_BR
dc.subjectPhosphorus formspt_BR
dc.subjectSolos - Nutrientespt_BR
dc.subjectQuímica do solopt_BR
dc.subjectFormas de fósforopt_BR
dc.titleDynamics of forms of inorganic phosphorus in soil under coffee plants as a function of successive annual additions of the nutrientpt_BR
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