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@ARTICLE{OwusuDanquah:884768,
      author       = {Owusu Danquah, Eric and Beletse, Yacob and Stirzaker,
                      Richard and Smith, Christopher and Yeboah, Stephen and
                      Oteng-Darko, Patricia and Frimpong, Felix and Ennin, Stella
                      Ama},
      title        = {{M}onitoring and {M}odelling {A}nalysis of {M}aize ({Z}ea
                      mays {L}.) {Y}ield {G}ap in {S}mallholder {F}arming in
                      {G}hana},
      journal      = {Agriculture},
      volume       = {10},
      number       = {9},
      issn         = {2077-0472},
      address      = {Basel},
      publisher    = {MDPI AG},
      reportid     = {FZJ-2020-03244},
      pages        = {420 -},
      year         = {2020},
      abstract     = {Modelling and multiple linear regression were used to
                      explore the reason for low maize yield in the
                      Atebubu-Amantin and West Mamprusi Districts of Ghana, West
                      Africa. The study evaluated maize yields on twenty farms
                      against measures of soil fertility, agronomic attributes and
                      soil water availability. Correlations between yield, soil
                      fertility, rain, crop density, and weed biomass, were low,
                      and no single factor could explain the low yields. A 50-year
                      virtual experiment was then set up using the Agricultural
                      Production Systems Simulator (APSIM) to explore the
                      interactions between climate, crop management (sowing date
                      and nitrogen fertilization) and rooting depth on grain yield
                      and nitrate (NO3-N) dynamics. The analysis showed that a
                      lack of optimal sowing dates that synchronize radiation,
                      rainfall events and nitrogen (N) management with critical
                      growth stages explained the low farm yields.},
      cin          = {IBG-2},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000578205100001},
      doi          = {10.3390/agriculture10090420},
      url          = {https://juser.fz-juelich.de/record/884768},
}