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@ARTICLE{DossouYovo:280328,
      author       = {Dossou-Yovo, Elliott Ronald and Brüggemann, Nicolas and
                      Jesse, Naab and Huat, Joël and Ago, Expedit Evariste and
                      Agbossou, Euloge Kossi},
      title        = {{R}educing soil {CO}$_{2}$ emission and improving upland
                      rice yield with no-tillage, straw mulch and nitrogen
                      fertilization in northern {B}enin},
      journal      = {Soil $\&$ tillage research},
      volume       = {156},
      issn         = {0167-1987},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2016-00112},
      pages        = {44 - 53},
      year         = {2016},
      abstract     = {To explore effective ways to decrease soil CO2 emission and
                      increase grain yield, field experiments were conducted on
                      two upland rice soils (Lixisols and Gleyic Luvisols) in
                      northern Benin in West Africa. The treatments were two
                      tillage systems (no-tillage, and manual tillage), two rice
                      straw managements (no rice straw, and rice straw mulch at 3
                      Mg ha−1) and three nitrogen fertilizers levels (no
                      nitrogen, recommended level of nitrogen: 60 kg ha−1, and
                      high level of nitrogen: 120 kg ha−1). Potassium and
                      phosphorus fertilizers were applied to be non-limiting at 40
                      kg K2O ha−1 and 40 kg P2O5 ha−1. Four replications of
                      the twelve treatment combinations were arranged in a
                      randomized complete block design. Soil CO2 emission, soil
                      moisture and soil temperature were measured at 5 cm depth in
                      6–10 days intervals during the rainy season and every two
                      weeks during the dry season. Soil moisture was the main
                      factor explaining the seasonal variability of soil CO2
                      emission. Much larger soil CO2 emissions were found in rainy
                      than dry season. No-tillage significantly reduced soil CO2
                      emissions compared with manual tillage. Higher soil CO2
                      emissions were recorded in the mulched treatments. Soil CO2
                      emissions were higher in fertilized treatments compared with
                      non-fertilized treatments. Rice biomass and yield were not
                      significantly different as a function of tillage systems. On
                      the contrary, rice biomass and yield significantly increased
                      with application of rice straw mulch and nitrogen
                      fertilizer. The highest response of rice yield to nitrogen
                      fertilizer addition was obtained for 60 kg N ha−1 in
                      combination with 3 Mg ha−1 of rice straw for the two
                      tillage systems. Soil CO2 emission per unit grain yield was
                      lower under no-tillage, rice straw mulch and nitrogen
                      fertilizer treatments. No-tillage combined with rice straw
                      mulch and 60 kg N ha−1 could be used by smallholder
                      farmers to achieve higher grain yield and lower soil CO2
                      emission in upland rice fields in northern Benin.},
      cin          = {IBG-3},
      ddc          = {630},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000367492800005},
      doi          = {10.1016/j.still.2015.10.001},
      url          = {https://juser.fz-juelich.de/record/280328},
}