Hasil Pencarian - Keith D Shepherd

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  1. 1
    Evidence-based investment selection: Prioritizing agricultural development investments under climatic and socio-political risk using Bayesian networks.

    Evidence-based investment selection: Prioritizing agricultural development investments under climatic and socio-political risk using Bayesian networks. oleh Barbaros Yet, Christine Lamanna, Keith D Shepherd, Todd S Rosenstock

    Diterbitkan 2020-01-01
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  2. 2
    iSDAsoil: The first continent-scale soil property map at 30 m resolution provides a soil information revolution for Africa

    iSDAsoil: The first continent-scale soil property map at 30 m resolution provides a soil information revolution for Africa oleh Matthew A. E. Miller, Keith D. Shepherd, Bruce Kisitu, Jamie Collinson

    Diterbitkan 2021-11-01
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  3. 3
    iSDAsoil: The first continent-scale soil property map at 30 m resolution provides a soil information revolution for Africa.

    iSDAsoil: The first continent-scale soil property map at 30 m resolution provides a soil information revolution for Africa. oleh Matthew A E Miller, Keith D Shepherd, Bruce Kisitu, Jamie Collinson

    Diterbitkan 2021-11-01
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  4. 4
    A global soil spectral calibration library and estimation service

    A global soil spectral calibration library and estimation service oleh Keith D. Shepherd, Rich Ferguson, David Hoover, Fenny van Egmond, Jonathan Sanderman, Yufeng Ge

    Diterbitkan 2022-06-01
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  5. 5
    Spatial approach for diagnosis of yield-limiting nutrients in smallholder agroecosystem landscape using population-based farm survey data.

    Spatial approach for diagnosis of yield-limiting nutrients in smallholder agroecosystem landscape using population-based farm survey data. oleh Stephen M Ichami, George N Karuku, Andrew M Sila, Fredrick O Ayuke, Keith D Shepherd

    Diterbitkan 2022-01-01
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  6. 6
    Comprehensive nutrient analysis in agricultural organic amendments through non-destructive assays using machine learning.

    Comprehensive nutrient analysis in agricultural organic amendments through non-destructive assays using machine learning. oleh Erick K Towett, Lee B Drake, Gifty E Acquah, Stephan M Haefele, Steve P McGrath, Keith D Shepherd

    Diterbitkan 2020-01-01
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  7. 7
    Changes in organic carbon to clay ratios in different soils and land uses in England and Wales over time

    Changes in organic carbon to clay ratios in different soils and land uses in England and Wales over time oleh Jonah M. Prout, Keith D. Shepherd, Steve P. McGrath, Guy J. D. Kirk, Kirsty L. Hassall, Stephan M. Haefele

    Diterbitkan 2022-03-01
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  8. 8
    Fresh groundwater for Wajir – ex-ante assessment of uncertain benefits for multiple stakeholders in a water supply project in Northern Kenya

    Fresh groundwater for Wajir – ex-ante assessment of uncertain benefits for multiple stakeholders in a water supply project in Northern Kenya oleh Eike eLuedeling, Eike eLuedeling, Arjen eOord, Boniface eKiteme, Sarah eOgalleh, Maimbo eMalesu, Keith D. Shepherd, Jan eDe Leeuw

    Diterbitkan 2015-03-01
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  9. 9
    Portable X-ray fluorescence (pXRF) calibration for analysis of nutrient concentrations and trace element contaminants in fertilisers.

    Portable X-ray fluorescence (pXRF) calibration for analysis of nutrient concentrations and trace element contaminants in fertilisers. oleh Gifty E Acquah, Javier Hernandez-Allica, Cathy L Thomas, Sarah J Dunham, Erick K Towett, Lee B Drake, Keith D Shepherd, Steve P McGrath, Stephan M Haefele

    Diterbitkan 2022-01-01
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  10. 10
    Portable X-ray fluorescence (pXRF) calibration for analysis of nutrient concentrations and trace element contaminants in fertilisers

    Portable X-ray fluorescence (pXRF) calibration for analysis of nutrient concentrations and trace element contaminants in fertilisers oleh Gifty E. Acquah, Javier Hernandez-Allica, Cathy L. Thomas, Sarah J. Dunham, Erick K. Towett, Lee B. Drake, Keith D. Shepherd, Steve P. McGrath, Stephan M. Haefele

    Diterbitkan 2022-01-01
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  11. 11
    Mapping Soil Properties of Africa at 250 m Resolution: Random Forests Significantly Improve Current Predictions.

    Mapping Soil Properties of Africa at 250 m Resolution: Random Forests Significantly Improve Current Predictions. oleh Tomislav Hengl, Gerard B M Heuvelink, Bas Kempen, Johan G B Leenaars, Markus G Walsh, Keith D Shepherd, Andrew Sila, Robert A MacMillan, Jorge Mendes de Jesus, Lulseged Tamene, Jérôme E Tondoh

    Diterbitkan 2015-01-01
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  12. 12
    African soil properties and nutrients mapped at 30 m spatial resolution using two-scale ensemble machine learning

    African soil properties and nutrients mapped at 30 m spatial resolution using two-scale ensemble machine learning oleh Tomislav Hengl, Matthew A. E. Miller, Josip Križan, Keith D. Shepherd, Andrew Sila, Milan Kilibarda, Ognjen Antonijević, Luka Glušica, Achim Dobermann, Stephan M. Haefele, Steve P. McGrath, Gifty E. Acquah, Jamie Collinson, Leandro Parente, Mohammadreza Sheykhmousa, Kazuki Saito, Jean-Martial Johnson, Jordan Chamberlin, Francis B. T. Silatsa, Martin Yemefack, John Wendt, Robert A. MacMillan, Ichsani Wheeler, Jonathan Crouch

    Diterbitkan 2021-03-01
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