Search results for "SEMI DIRECT"

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Direct seeding mulch-based cropping increases both the activity and the abundance of denitrifier communities in a tropical soil

2009

International audience; This study evaluated the impact of direct seeding mulch-based cropping (DMC), as an alternative to conventional tilling (CT), on a functional community involved in N cycling and emission of greenhouse gas nitrous oxide (N2O). The study was carried out for annual soybean/rice crop rotation in the Highlands of Madagascar. The differences between the two soil management strategies (direct seeding with mulched crop residues versus tillage without incorporation of crop residues) were studied along a fertilization gradient (no fertilizer, organic fertilizer, organic plus mineral fertilizers). The activity and size of the denitrifier community were determined by denitrifica…

Crop residueDenitrificationNOSZ GENENITROUS OXIDEDIRECT SEEDING[SDE.MCG]Environmental Sciences/Global ChangesSoil ScienceTRAVAIL DU SOLFAUNE DU SOL010501 environmental sciences01 natural sciencesMicrobiologyABONDANCESoil managementAZOTE[SDV.EE.ECO]Life Sciences [q-bio]/Ecology environment/EcosystemsEVOLUTION DES SOLS SOUS CULTUREPAILLAGESEMI DIRECTComputingMilieux_MISCELLANEOUS0105 earth and related environmental sciences2. Zero hungerTILLAGEENGRAISMICROORGANISMEfood and beveragesSoil classification04 agricultural and veterinary sciencesDENITRIFICATION15. Life on landCrop rotationGENEPRATIQUE CULTURALETillageSoil conditionerGENE ABUNDANCESAgronomyMULCH040103 agronomy & agriculture0401 agriculture forestry and fisheriesEnvironmental scienceRAPPORT CNNIRK GENE16SRDNA GENE[SDE.BE]Environmental Sciences/Biodiversity and EcologyMulchRIZ[SDV.EE.IEO]Life Sciences [q-bio]/Ecology environment/Symbiosis
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