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dc.contributorFujita, Haruhiroen_US
dc.contributorGintzburger, Gustaveen_US
dc.contributorKosaki, Takashien_US
dc.creatorShinjo, Hitoshien_US
dc.identifier.citationHitoshi Shinjo, Haruhiro Fujita, Gustave Gintzburger, Takashi Kosaki. (4/1/2012). Soil aggregate stability under different landscapes and vegetation types in a semiarid area in northeastern Syria. Soil Science and Plant Nutrition, 46 (1), pp. 229-240.en_US
dc.description.abstractThe influence of landscapes and vegetation types on soil aggregate stability was studied at 55 sites in rangeland and 18 sites in cropland in northeastern Syria. For the measurement of soil aggregate stability, the wet-sieving test was applied to air-dried and prewetted aggregates. As soil properties, pH, EC, organic carbon content, inorganic carbon content, sand content were determined. Slope gradients at all the sites and soil surface coverage at the sites in the rangeland were also determined. Due to the slaking process, the stability of air-dried aggregates with a mean value of 47.5 × 10-2 kg kg-1 was lower than that of prewetted ones with a mean value of 89.8 × 10-2 kg kg-1. The absence of a significant relationship between the soil aggregate stability and soil chemical properties in the cropland suggested the influence of tillage. Principal component analysis and stepwise multiple regression analysis for the sites in the rangeland indicated that the air-dried aggregate stability could be described by a coverage factor and slope factor (r=0.76). The contribution of the coverage factor suggested that the increase of the soil organic matter content through the addition of plant materials and protection of the soil surface from the raindrop impact could enhance the soil aggregate stability. The positive contribution of the slope factor implied that unstable aggregates on steeper slopes had already been translocated, while stable aggregates remained. Thus, for the preservation of the soil aggregate stability, the soil surface coverage should be improved especially on gentler slopes.en_US
dc.publisherTaylor and Francisen_US
dc.rightsCopyrighted; Non-commercial educational use onlyen_US
dc.sourceSoil Science and Plant Nutrition;46,(2012) Pagination 229-240en_US
dc.subjectaggregate stabilityen_US
dc.titleSoil aggregate stability under different landscapes and vegetation types in a semiarid area in northeastern Syriaen_US
dc.typeJournal Articleen_US
cg.contributor.centerInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.centerJapan International Research Center for Agricultural Sciences - JIRCASen_US
cg.contributor.centerKyoto Universityen_US
cg.contributor.funderInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.projectCommunication and Documentation Information Services (CODIS)en_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.coverage.regionWestern Asiaen_US
cg.isijournalISI Journalen_US
dc.identifier.statusOpen accessen_US
cg.journalSoil Science and Plant Nutritionen_US

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