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  • 1
    Language: English
    In: European Journal of Soil Science, 2011, Vol.62(6), pp.797-810
    Description: To authenticate to the full-text of this article, please visit this link: http://dx.doi.org/10.1111/j.1365-2389.2011.01402.x Byline: V. Pot (a), P. Benoit (a), V. Etievant (a), N. Bernet (a), C. Labat (a), Y. Coquet (a), S. Houot (a) Abstract: We quantified the effects of tillage practice and repeated compost (municipal solid waste compost, MSW, and co-compost of sewage sludge and green wastes, SGW, compared with a control plot without compost addition, CONT) application on bromide and isoproturon transport into the tilled horizon of a loamy Albeluvisol. To do this we conducted field measurements of near-saturated hydraulic conductivity (K), bromide and isoproturon leaching in column experiments and batch isoproturon sorption measurements. While the K measurements showed that tillage practice had the major effect compared with the different organic amendments, with greater conductivities measured after ploughing and smaller Kvalues measured after sowing, the column leaching experiments showed no statistically significant effect of either the tillage practice or the compost amendments. The batch sorption coefficient, K.sub.d, of isoproturon increased in the order CONT 〈 MSW 〈 SGW, while the leaching of isoproturon for the MSW and SGW was either equal, retarded or quicker compared with CONT. Rate-limited sorption of isoproturon in the CONT and SGW treatments columns was found, and the overall dissipation of isoproturon increased in the order CONT 〈 SGW 〈 MSW. It was suggested that irreversible sorption as well as degradation occured during isoproturon leaching. Author Affiliation: (a)INRA, AgroParisTech , UMR 1091 EGC, F-78850 Thiverval-Grignon, France Article History: Received 3 January 2011; revised version accepted 30 August 2011 Article note: V. Pot. E-mail: vpot@grignon.inra.fr
    Keywords: Life Sciences ; Agricultural Sciences ; Sciences Du Sol  ; Tillage Practice ; Isoproturon Transport ; Soil Science ; Agriculture ; Agriculture
    ISSN: 1351-0754
    E-ISSN: 1365-2389
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  • 2
    In: Global Change Biology, July 2019, Vol.25(7), pp.2205-2208
    Description: The goal of this comment is to show that the “aggregate reactor” framework recently proposed in an article published in this journal is severely limited by two kinds of indeterminacy. The first is related to the size of aggregates, which is not defined precisely. The second issue is with the impossibility to replicate boundary conditions that are identical to what chunks of soils would have experienced in their natural state. We suggest that the study of GHG release in undisturbed soil samples is a better way to proceed forward.
    Keywords: Reactors ; Soils ; Greenhouse Effect ; Greenhouse Gases ; Boundary Conditions ; Aggregates ; Boundary Conditions ; Boundary Conditions ; Soil Aggregates ; Greenhouse Gases ; Soils ; Aggregates ; Gases ; Aggregates ; Greenhouse Gases ; Greenhouse Effect ; Biogeochemistry ; Greenhouse Effect;
    ISSN: 1354-1013
    E-ISSN: 1365-2486
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  • 3
    Language: English
    In: European Journal of Soil Science, 2007, Vol.58(1), pp.320-328
    Description: Displacement experiments of bromide and two herbicides, isoproturon and metribuzin, were performed in unsaturated undisturbed soil cores sampled on a unique site under (i) conventional wheat/maize rotation, (ii) 10-year-old grassed strip and (iii) 80-year-old oak/chestnut forest. Steady state...
    Keywords: Life Sciences ; Agricultural Sciences ; Soil Study ; Agriculture
    ISSN: 1351-0754
    E-ISSN: 1365-2389
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