Maize crop nutrient input requirements for food security in sub-Saharan Africa

dc.creatorBerge, H.F.M. ten
dc.creatorHijbeek, R.
dc.creatorLoon, M.P. van
dc.creatorRurinda, J.
dc.creatorFantaye, K.T.
dc.creatorShamie Zingore
dc.creatorCraufurd, P.
dc.creatorHeerwaarden, J.
dc.creatorBrentrup, F.
dc.creatorSchröder, J.J.
dc.creatorBoogaard, H.
dc.creatorDe Groote, H.
dc.creatorIttersum, M.K. van
dc.date2019-04-17T00:15:12Z
dc.date2019-04-17T00:15:12Z
dc.date2019
dc.date.accessioned2023-07-17T20:04:05Z
dc.date.available2023-07-17T20:04:05Z
dc.identifierISSN: 2211-9124
dc.identifierhttps://hdl.handle.net/10883/20114
dc.identifier10.1016/j.gfs.2019.02.001
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/7511934
dc.descriptionNutrient limitation is a major constraint in crop production in sub-Saharan Africa (SSA). Here, we propose a generic and simple equilibrium model to estimate minimum input requirements of nitrogen, phosphorus and potassium for target yields in cereal crops under highly efficient management. The model was combined with Global Yield Gap Atlas data to explore minimum input requirements for self-sufficiency in 2050 for maize in nine countries in SSA. We estimate that yields have to increase from the current ca. 20% of water-limited yield potential to approximately 50–75% of the potential depending on the scenario investigated. Minimum nutrient input requirements must rise disproportionately more, with N input increasing 9-fold or 15-fold, because current production largely relies on soil nutrient mining, which cannot be sustained into the future.
dc.description9-21
dc.formatPDF
dc.languageEnglish
dc.publisherElsevier
dc.relationhttps://ars.els-cdn.com/content/image/1-s2.0-S2211912418301445-mmc1.docx
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dc.rightsOpen Access
dc.source23
dc.sourceGlobal Food Security
dc.subjectAGRICULTURAL SCIENCES AND BIOTECHNOLOGY
dc.subjectCrop Nutrient Requirements
dc.subjectFood Self-Sufficiency
dc.subjectINTENSIFICATION
dc.subjectMAIZE
dc.subjectCEREALS
dc.subjectYIELD GAP
dc.subjectNUTRIENTS
dc.subjectFOOD SECURITY
dc.subjectSOIL FERTILITY
dc.subjectZEA MAYS
dc.titleMaize crop nutrient input requirements for food security in sub-Saharan Africa
dc.typeArticle
dc.typePublished Version
dc.coverageAmsterdam (Netherlands)


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