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dc.contributorDiekmann, Jurgenen_US
dc.contributorRischkowsky, Barbaraen_US
dc.contributorKreuzer, Michaelen_US
dc.contributorOberson, Astriden_US
dc.creatorAbbeddou, Souheilaen_US
dc.date2013-01-10en_US
dc.date.accessioned2017-07-23T23:42:46Z
dc.date.available2017-07-23T23:42:46Z
dc.identifierhttps://link.springer.com/article/10.1007/s10705-013-9550-4en_US
dc.identifierhttps://mel.cgiar.org/reporting/download/hash/YBm4v2Boen_US
dc.identifier.citationSouheila Abbeddou, Jurgen Diekmann, Barbara Rischkowsky, Michael Kreuzer, Astrid Oberson. (10/1/2013). Unconventional feeds for small ruminants in dry areas have a minor effect on manure nitrogen flow in the soil–plant system. Nutrient Cycling in Agroecosystems, 95 (1), pp. 87-101.en_US
dc.identifier.urihttps://hdl.handle.net/20.500.11766/7247
dc.description.abstractIn dry areas, unconventional feeds are increasingly used for mitigating feed shortages and rangeland degradation. We evaluated how feeding sheep diets containing olive leaves, saltbush leaves and olive cake affects manure quality compared to a barley straw based diet. Soil incubation and plant growth experiments were carried out to measure soil nitrogen (N) mineralization and N uptake by barley plants and to calculate N flow through the feed-animal-soil–plant system. Fresh feces, composts consisting of feces, urine and straw, and ammonium sulfate fertilizer were mixed with soil at rate of 90 mg N kg−1 soil dry matter. Comparisons were made with non-amended soils (control) and soils amended with fresh olive cake applied at 90 and 22.5 mg N kg−1 soil dry matter, respectively. The latter treatment enabled investigation of the effect of passage of olive cake through the digestive tract of sheep on N availability and phenol transformation. Applying fresh olive cake and feces, except the saltbush leaf derived feces, resulted in a net N immobilization. All composts resulted in net N mineralization, although not significantly different from the 0N control soil. Barley growing in soils with amendment that caused N immobilization took up less N than barley growing on the 0N treatment. Reduction in N uptake was most pronounced after amendment with fresh-olive cake. Treatments with net mineralization increased barley N uptake over the 0N treatment with 2–16 % of N applied being taken up. Dietary composition had a minor effect on N fertilizer value of either feces or compost, but feces N alone was not an efficient N source.en_US
dc.formatPDFen_US
dc.languageenen_US
dc.publisherSpringer Verlag (Germany)en_US
dc.rightsCC-BY-NC-4.0en_US
dc.sourceNutrient Cycling in Agroecosystems;95,(2013) Pagination 87,101en_US
dc.subjectnitrogen efficiencyen_US
dc.subjectmanureen_US
dc.subjectcomposten_US
dc.subjectsaltbush olive by-product awassi sheepen_US
dc.titleUnconventional feeds for small ruminants in dry areas have a minor effect on manure nitrogen flow in the soil–plant systemen_US
dc.typeJournal Articleen_US
cg.creator.idRischkowsky, Barbara: 0000-0002-0035-471Xen_US
cg.creator.ID-typeORCIDen_US
cg.contributor.centerSwiss Federal Institute of Technology Zurich - ETH Zurichen_US
cg.contributor.centerInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.crpCGIAR Research Program on Dryland Systems - DSen_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.coverage.countrySYen_US
cg.contactastrid.oberson@usys.ethz.chen_US
cg.identifier.doihttps://dx.doi.org/10.1007/s10705-013-9550-4en_US
dc.identifier.statusOpen accessen_US
mel.impact-factor1.843en_US


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