Anaerobic Respiration in the Unsaturated Zone of Agricultural Soil Mobilizes Phosphorus and Manganese
| Autor: | Philippe Cambier, Ruben Warrinnier, Sara Bossuyt, Camille Resseguier, Erik Smolders, Sabine Houot, Jan Diels, Jon Petter Gustafsson |
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| Přispěvatelé: | Catholic University of Leuven - Katholieke Universiteit Leuven (KU Leuven), Ecologie fonctionnelle et écotoxicologie des agroécosystèmes (ECOSYS), AgroParisTech-Université Paris-Saclay-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Swedish University of Agricultural Sciences (SLU), FWO (Research Foundation Flanders): strategic basic research grant. |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Technology
Anaerobic respiration business.product_category ADSORPTION Soil test chemistry.chemical_element Environmental Sciences & Ecology 010501 environmental sciences engineering.material [SDV.SA.SDS]Life Sciences [q-bio]/Agricultural sciences/Soil study FORMS SORPTION 01 natural sciences complex mixtures Plough CARBON Soil Engineering Environmental Chemistry Organic matter Anaerobiosis IRON-RICH COLLOIDS Fertilizers 0105 earth and related environmental sciences 2. Zero hunger chemistry.chemical_classification COMPOST APPLICATIONS RELEASE Manganese Science & Technology Compost Phosphorus AVAILABILITY Engineering Environmental Agriculture DISSOLVED PHOSPHORUS General Chemistry UPLAND SOILS 15. Life on land Manure chemistry Environmental chemistry Soil water engineering business Life Sciences & Biomedicine Environmental Sciences |
| Zdroj: | Environmental Science and Technology Environmental Science and Technology, American Chemical Society, 2020, 54 (8), pp.4922-4931. ⟨10.1021/acs.est.9b06978⟩ |
| ISSN: | 0013-936X 1520-5851 |
| Popis: | Anaerobic conditions mobilize phosphorus (P) in soils and sediments. The role of anaerobic microsites in well-drained soil on P migration is unknown. This study aimed to identify mechanisms that control field-scale vertical P mobility as affected by organic fertilizers that may trigger variable redox conditions. Soils were sampled at different depths in a well-drained Luvisol after 19 years of application of organic fertilizers. The concentrations of P and manganese (Mn) in 0.45-μm-filtered extracts (10-3 M CaCl2) of field-moist soil samples were strongly correlated (r = + 0.95), and both peaked in and below the compacted plough pan, suggesting that reductive processes mobilize P. Waterlogged soil incubations confirmed that anaerobic respiration comobilizes Mn and P and that this leads to the release of colloidal P and iron (Fe). The long-term applications of farmyard manure and immature compost enhanced the concentrations of Mn, Fe, and aluminum (Al) in the soil solution of subsurface samples, whereas less such effect was found under the application of more stable organic fertilizers. Farmyard manure application significantly enhanced soil P stocks below the plough layer despite a small P input. Overall, multiple lines of evidence confirm that anaerobic respiration, sparked by labile organic matter, mobilizes P in this seemingly well-drained soil. ispartof: ENVIRONMENTAL SCIENCE & TECHNOLOGY vol:54 issue:8 pages:4922-4931 ispartof: location:United States status: published |
| Databáze: | OpenAIRE |
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