Adsorption of P and forms of iron in no-tillage areas in the ‘Cerrado’ biome
| dc.creator | Roni Fernandes Guareschi | |
| dc.creator | Marcos Gervasio Pereira | |
| dc.creator | Adriano Perin | |
| dc.date | 2015 | |
| dc.date.accessioned | 2026-07-07T03:52:25Z | |
| dc.description | The objective of this study was to evaluate the forms of iron extracted as sodium dithionitecitrate- bicarbonate (Fed), acid ammonium oxalate (Feo) and sodium pyrophosphate (Fep) and the relationship between these variables and the total organic carbon content and maximum adsorption capacity of P (MACP). The areas selected for this study had been using a no-tillage system (NTS) for varying periods of time: 3 years (NTS3), 15 years (NTS15) and 20 years (NTS20). These areas were compared with an area of native ‘Cerrado’ (CE) and a pasture area planted with Brachiaria decumbens (PA). The soil of the areas studied was classified as dystrophic oxisol. In each area, samples were collected at 0–5 cm and 5–10 cm. A correlation was observed between the C content and the different forms of Fe in the areas studied. There was a significant positive correlation between the carbon content and the forms of iron (Feo, Feo/Fed and Fep) and a negative correlation with the level of Fed. The areas of CE and PA had the highest MACP, which diminished as the amount of time of NTS use increased. | |
| dc.format | application/pdf | |
| dc.identifier | 1679-9275 | |
| dc.identifier | https://www.redalyc.org/articulo.oa?id=303033072014 | |
| dc.identifier.uri | http://hdl.handle.net/123456789/445631 | |
| dc.language | en | |
| dc.publisher | Universidade Estadual de Maringá | |
| dc.relation | http://www.redalyc.org/revista.oa?id=3030 | |
| dc.rights | Acta Scientiarum. Agronomy | |
| dc.source | Acta Scientiarum. Agronomy (Brasil) Num.1 Vol.37 | |
| dc.subject | Agrociencias | |
| dc.title | Adsorption of P and forms of iron in no-tillage areas in the ‘Cerrado’ biome | |
| dc.type | artículo científico |