Amending soil with sludge, manure, humic acid, orthophosphate and phytic acid: effects on aggregate stability

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dc.contributor.authorMamedov, A. I.
dc.contributor.authorBar-Yosef, B.
dc.contributor.authorLevkovich, I.
dc.contributor.authorRosenberg, R.
dc.contributor.authorSilber, A.
dc.contributor.authorFine, P.
dc.contributor.authorLevy, G. J.
dc.date.accessioned2020-03-26T18:49:19Z
dc.date.available2020-03-26T18:49:19Z
dc.date.issued2014
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractRecycling of organic wastes via their incorporation in cultivated lands is known to alter soil structural stability. Aggregate stability tests are commonly used to express quantitatively the susceptibility of soil structural stability to deformation. The objective of this study was to investigate the effects of biosolids addition, namely composted manure (MC) and activated sludge (AS), and spiking of the soils with orthophosphate (OP), phytic acid (PA) or humic acid (HA), on soil aggregate stability of semi-arid loamy sand, loam and clay soils before and after subjecting the soils to six rain storms (each 30mm rain with a break of 3-4 days). Aggregate stability was determined from water-retention curves at high matric potential. The effects of the applied amendments on pre- and post-rain aggregate stability were inconsistent and soil-dependent. For the pre-rain state, all of the tested amendments improved aggregate stability relative to the control. For the post-rain condition, aggregate stability was lower in the MC, OP and PA treatments and higher in the AS and HA treatments than in the control. The coarse-textured loam and loamy sand soils were more affected by the soil amendments than the clay soil. For the pre-rain state, addition of organic matter significantly improved macro-porosity and hence the stability of apparent macro-aggregate (>250m). Our results indicate a possible advantage for separation of aggregates into macro- and micro-aggregates for more precise evaluation and understanding of the effects organic amendments might have on aggregate stability.en_US
dc.identifier.doi10.1071/SR13334en_US
dc.identifier.endpage326en_US
dc.identifier.issn1838-675Xen_US
dc.identifier.issn1838-6768en_US
dc.identifier.issue4en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage317en_US
dc.identifier.urihttps://dx.doi.org/10.1071/SR13334
dc.identifier.urihttps://hdl.handle.net/20.500.12395/30581
dc.identifier.volume52en_US
dc.identifier.wosWOS:000335518700001en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherCSIRO PUBLISHINGen_US
dc.relation.ispartofSOIL RESEARCHen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectaggregate stabilityen_US
dc.subjectbiosolidsen_US
dc.subjecthigh-energy moisture characteristicen_US
dc.subjecthumic aciden_US
dc.subjectmanureen_US
dc.subjectslakingen_US
dc.subjectsludgeen_US
dc.titleAmending soil with sludge, manure, humic acid, orthophosphate and phytic acid: effects on aggregate stabilityen_US
dc.typeArticleen_US

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