Why organic resources and current fertilizer formulations in Southern Africa cannot sustain maize productivity: Evidence from a long-term experiment in Zimbabwe

• Tongai J. Mtangadura,

  Roles Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

  Affiliation Soil Fertility Consortium for Southern Africa (SOFECSA), Department of Soil Science and Agricultural Engineering, University of Zimbabwe, Mt Pleasant, Harare, Zimbabwe

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• Florence Mtambanengwe ,

  Contributed equally to this work with: Florence Mtambanengwe, Hatirarami Nezomba, Jairos Rurinda, Paul Mapfumo

  Roles Conceptualization, Methodology, Resources, Supervision, Writing – review & editing

  Affiliation Soil Fertility Consortium for Southern Africa (SOFECSA), Department of Soil Science and Agricultural Engineering, University of Zimbabwe, Mt Pleasant, Harare, Zimbabwe

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• Hatirarami Nezomba ,

  Contributed equally to this work with: Florence Mtambanengwe, Hatirarami Nezomba, Jairos Rurinda, Paul Mapfumo

  Roles Formal analysis, Methodology, Validation, Writing – review & editing

  Affiliation Soil Fertility Consortium for Southern Africa (SOFECSA), Department of Soil Science and Agricultural Engineering, University of Zimbabwe, Mt Pleasant, Harare, Zimbabwe

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• Jairos Rurinda ,

  Contributed equally to this work with: Florence Mtambanengwe, Hatirarami Nezomba, Jairos Rurinda, Paul Mapfumo

  Roles Formal analysis, Investigation, Validation, Writing – review & editing

  Affiliation International Plant Nutrition Institute (IPNI), c/o IFDC–East and Southern Africa Division, ICIPE compound, Duduville–Karasani, Nairobi, Kenya

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• Paul Mapfumo

  Contributed equally to this work with: Florence Mtambanengwe, Hatirarami Nezomba, Jairos Rurinda, Paul Mapfumo

  Roles Conceptualization, Data curation, Methodology, Project administration, Resources, Supervision, Writing – review & editing

  * E-mail: paulmapfumo@gmail.com, pmapfumo@agric.uz.ac.zw

  Affiliation Soil Fertility Consortium for Southern Africa (SOFECSA), Department of Soil Science and Agricultural Engineering, University of Zimbabwe, Mt Pleasant, Harare, Zimbabwe

  http://orcid.org/0000-0001-5580-4135

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