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Phosphorus fate, behavior and bioavailability in long-term phosphate fertilizer and soil management trials in the Brazilian Cerrado

ALVES, Elton Eduardo NOVAIS ; Lenir Fátima GOTZ ; VERGUTZ, Leonardus

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Título:
Phosphorus fate, behavior and bioavailability in long-term phosphate fertilizer and soil management trials in the Brazilian Cerrado
Autor: ALVES, Elton Eduardo NOVAIS ; Lenir Fátima GOTZ ; VERGUTZ, Leonardus
Assuntos: Environment ; EV-420 ; ID21
Descrição: Phosphorus is essential for all organisms, the most limiting nutrient for plant growth in the tropics and with finite resources. In many tropical soils P is often present only in very low concentrations due to its strongly interaction with the soil’s mineral phase. Thus, P fertilization in these soils is mandatory for biomass production. However, the strong interaction of P with soil's mineral phase result in a very low P use efficiency by the plants. To improve the use efficiency of such resource understanding its fate and behavior in the plant-soil system is of pivotal importance to improve our sustainability. This works aims to evaluate the long-term changes on soil P fractions and fertilizer fate in conventional tillage and native soils in the tropical soils of Brazil. To unravel these changes we aim to combine sequential chemical fractionation techniques (Hedley`s procedure) with state-of-the-art methods used for P speciation, P K-edge XANES and 31P-NMR.
Editor: European Synchrotron Radiation Facility
Data de criação/publicação: 2025
Idioma: Inglês

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