Ulen, Barbro
- Department of Soil and Environment, Swedish University of Agricultural Sciences
Research article2012Peer reviewed
Effects of aluminium water treatment residuals, used as a soil amnedment to Control phosphorus mobility in Agricultural soils
Ulen, Barbro; Etana, Ararso; Lindström, Bodil
Abstract
Phosphorus (P) leaching from agricultural soils is a serious environmental concern. Application of aluminium water treatment residuals (Al-WTRs) at a rate of 20 Mg ha Sweden signi Mean degree of P saturation in ammonium lactate extract (DPS-AL) signi 17 to 13%, as did plant-available P (P-AL). Concentrations of dissolved reactive P (DRP) decreased by 10 simulated rain. Soil aggregate stability (AgS) for 15 test soils rarely improved. Three soils (clay loam, silty loam and loam sand) were tested in greenhouse pot experiments. Aluminium-WTR application of 15 or 30 ton ha increased growth of Italian ryegrass when fertilised with P but did not signi spring barley on any soil. Al-WTR should only be applied to soils with high P fertility where improved crop production is not required.1 to clay soils from centralficantly increased mean topsoil P sorption index (PSI) from 4.6 to 5.5 μmol kg1 soil.ficantly decreased from–85% in leaching water with Al-WTR treatments after exposure of topsoil lysimeters to1 to loam sand and a clay loam with P-AL values of 80–100 mg kg1 soil significantlyficantly affect growth of
Published in
Water Science and Technology
2012, Volume: 65, number: 11, pages: 1903-1911
Etana, Ararso
- Department of Soil and Environment, Swedish University of Agricultural Sciences
- Department of Soil and Environment, Swedish University of Agricultural Sciences
Lindström, Bodil
- Department of Crop Production Ecology, Swedish University of Agricultural Sciences
- Department of Crop Production Ecology, Swedish University of Agricultural Sciences
SLU Authors
Sustainable Development Goals
Ensure availability and sustainable management of water and sanitation for all
Protect, restore and promote sustainable use of terrestrial ecosystems, sustainably manage forests, combat desertification, and halt and reverse land degradation and halt biodiversity loss
UKÄ Subject classification
Environmental Sciences related to Agriculture and Land-use
Publication identifier
DOI: https://doi.org/10.2166/wst.2012.085
Permanent link to this page (URI)
https://res.slu.se/id/publ/39111