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- Title
Dinâmica das formas de fósforo em solos de textura e mineralogia contrastantes cultivados com arroz.
- Authors
Tokura, Alessandra Mayumi; Neto, Antonio Eduardo Furtini; Carneiro, Leandro Flávio; Curi, Nilton; Santos, José Zilton Lopes; Alovisi, Alves Alexandre
- Abstract
Dynamics of phosphorus forms in soils with contrasting texture and mineralogy cultivated with rice. Two experiments were conducted with the objective of evaluating the influence of Si and P application upon organic and inorganic P forms in two soils solos: classificação da FAO e Soil Taxonomy (Orthic Quartzarenic Neosol - RQo- and Dystroferric Red Latosol - LVdf), having contrasting texture and mineralogy, before and after rice cultivation. The experimental was in a 4 x 3 factorial scheme, being four P doses and three Si doses. The phosphated fertilization altered the P labile forms, while in the case of low labile P forms the behaviour was dependent upon soil texture and mineralogy. The application of Si was shown to be promising to increase the availability of P for plants in rice.
- Subjects
PHOSPHATE fertilizers; PLANTING; RICE; SILICON in soils; MINERALOGY; SOIL fertility research
- Publication
Acta Scientiarum: Agronomy, 2011, Vol 33, Issue 1, p171
- ISSN
1679-9275
- Publication type
Article
- DOI
10.4025/actasciagron.v33i1.1435