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dc.contributorRyan, Johnen_US
dc.contributorMasri, Samiren_US
dc.contributorSingh, Murarien_US
dc.contributorDiekmann, Jurgenen_US
dc.creatorSommer, Rolfen_US
dc.date.accessioned2018-03-04T11:01:13Z
dc.date.available2018-03-04T11:01:13Z
dc.identifierhttps://mel.cgiar.org/dspace/limiteden_US
dc.identifier.citationRolf Sommer, John Ryan, Samir Masri, Murari Singh, Jurgen Diekmann. (1/11/2011). Effect of shallow tillage, moldboard plowing, straw management and compost addition on soil organic matter and nitrogen in a dryland barley/wheat-vetch rotation. Soil and Tillage Research, 115-116, pp. 39-46.en_US
dc.identifier.urihttps://hdl.handle.net/20.500.11766/7972
dc.description.abstractSustainability of dryland cropping is a major issue in the typical Mediterranean climatic environment of West Asia and North Africa. Management of crop residues and soil organic matter (SOM) and its interrelationship with tillage and crop rotation is of central importance for maintaining soil quality and sustaining crop yields. We examined the medium-term influence of conventional moldboard plowing compared with shallow tillage, under barley-vetch and barley-vetch–wheat-vetch rotation, with different levels of straw management (burned, removed, or incorporated) and compost addition (10 Mg ha−1 every 2 or 4 years) on the distribution with soil depth (0–30 cm) of SOM, total organic nitrogen (Ntot), and labile as well as microbial carbon (C) and nitrogen (N). Shallow tillage increased SOM in 0–20 cm across all residue management treatments by on average 2.7 g kg−1. Compost addition every 2 years instead of burning or removing residues significantly increased Ntot in 0–20 cm by 0.22 g kg−1, doubled labile N and C in 0–5 cm depth, and increased the ratio of labile N to Ntot in 0–20 cm by 4%. Consequently, SOM accumulated in the labile pool, which reacts readily to changes in soil management practice, but which may also be depleted as quickly. Thus, shallow tillage in combination with compost addition can help build-up of SOM, and therefore soil quality. Under conditions of intensive cultivation, where crop residues are not in demand for livestock fodder, the system assessed constitutes a new agronomic direction under dryland agriculture in the Mediterranean region.en_US
dc.formatPDFen_US
dc.languageenen_US
dc.publisherElsevieren_US
dc.sourceSoil and Tillage Research;115-116,(2011) Pagination 39-46en_US
dc.subjectstraw and stubble managementen_US
dc.subjectlabile carbonen_US
dc.subjectmicrobial carbonen_US
dc.subjectdryland agricultureen_US
dc.subjectreduced tillageen_US
dc.titleEffect of shallow tillage, moldboard plowing, straw management and compost addition on soil organic matter and nitrogen in a dryland barley/wheat-vetch rotationen_US
dc.typeJournal Articleen_US
dcterms.available2011-11-01en_US
dcterms.extent39-46en_US
cg.creator.idSommer, Rolf: 0000-0001-7599-9056en_US
cg.creator.idSingh, Murari: 0000-0001-5450-0949en_US
cg.subject.agrovoccrop rotationen_US
cg.contributor.centerInternational Center for Agricultural Research in the Dry Areas - ICARDAen_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.date.embargo-end-date2111-11-01en_US
cg.contactr.sommer@cgiar.orgen_US
cg.identifier.doihttps://dx.doi.org/10.1016/j.still.2011.06.003en_US
cg.isijournalISI Journalen_US
dc.identifier.statusLimited accessen_US
mel.impact-factor3.401en_US
cg.issn0167-1987en_US
cg.journalSoil and Tillage Researchen_US
cg.volume115-116en_US


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