Jul 25, 2022
Tamba, Yvonne; Chacha, Robin; Mboi, Damaris; Aynekulu, Ermias; Luedeling, Eike; Shepherd, Keith, 2022, "Dataset for supporting the net agronomic assessment of yield limiting factors in maize production in Machakos county, Kenya", https://doi.org/10.34725/DVN/KKHVOF, World Agroforestry (ICRAF), V1, UNF:6:QZ+UN2QU5x8NcdqNy+AySg== [fileUNF]
This dataset is used for a holistic analysis of the costs, benefits, and risks of on-farm soil and plant health management. The dataset was produced in 2017 by a combination of field measurements and farmer surveys. It was collected for a research study aimed at identifying and t... |
Dec 6, 2021
Teteh, Francis; Weullow, Elvis; Dickens, Ateku; Karari, Valentine; Walsh G. Markus; McGrath, Steve P.; Acquah, Gifty E.; Haefele, Stephan M.; Gregory, Wendy; Durenkamp, Mark; Skilton, Ruth; Brookman, Melanie; Garwood, Chloe; Dobermann, Achim; Sila, Andrew; Shepherd, Keith, 2021, "Soil Spectra and Wet Chemistry Measurements from ICRAF Soil-Plant Spectral Diagnostics Laboratory and Rothamsted Research: Africa Soil Information Service (AfSIS) Phase 2 Project Data 2014-2018 - GhaSIS", https://doi.org/10.34725/DVN/SPRSFN, World Agroforestry - Research Data Repository, V1, UNF:6:5sSipqmujkHvXiy3E8YN0w== [fileUNF]
AfSIS Phase 2 was a collaborative project funded by the Bill and Melinda Gates Foundation (BMGF). Partners included, Columbia Global Center Africa (CGCA), Earth Institute (EI), International Soil Reference and Information Centre (ISRIC), The Council for Scientific and Industrial... |
Dec 6, 2021
Vincent, Aduramigba-Modupe; Ishaku, Amapu; Weullow, Elvis; Dickens, Ateku; Karari, Valentine; Walsh G. Markus; McGrath, Steve P.; Acquah, Gifty E.; Haefele, Stephan M.; Gregory, Wendy; Durenkamp, Mark; Skilton, Ruth; Brookman, Melanie; Garwood, Chloe; Dobermann, Achim; Sila, Andrew; Shepherd, Keith, 2021, "Soil Spectra and Wet Chemistry Measurements from ICRAF Soil-Plant Spectral Diagnostics Laboratory and Rothamsted Research: Africa Soil Information Service (AfSIS) Phase 2 Project Data 2014-2018 - NiSIS", https://doi.org/10.34725/DVN/WLAKR2, World Agroforestry - Research Data Repository, V1, UNF:6:3hm370zBy5/xWrx3x0ldUg== [fileUNF]
AfSIS Phase 2 was a collaborative project funded by the Bill and Melinda Gates Foundation (BMGF). Partners included, Ahmadu Bello University, Columbia Global Center Africa (CGCA), Earth Institute (EI), Institute of Agricultural Research and Training (IAR&T)/Obafemi Awolowo Univer... |
Dec 6, 2021
Meliyo, Joel; Weullow, Elvis; Dickens, Ateku; Karari, Valentine; Walsh G. Markus; McGrath, Steve P.; Acquah, Gifty E.; Haefele, Stephan M.; Gregory, Wendy; Durenkamp, Mark; Skilton, Ruth; Brookman, Melanie; Garwood, Chloe; Dobermann, Achim; Sila, Andrew; Shepherd, Keith, 2021, "Soil Spectra and Wet Chemistry Measurements from ICRAF Soil-Plant Spectral Diagnostics Laboratory and Rothamsted Research: Africa Soil Information Service (AfSIS) Phase 2 Project Data 2014-2018 - TanSIS", https://doi.org/10.34725/DVN/XUDGJY, World Agroforestry - Research Data Repository, V1, UNF:6:om2PB2O/sXo6AfQqvUe6EQ== [fileUNF]
AfSIS Phase 2 was a collaborative project funded by the Bill and Melinda Gates Foundation (BMGF). Partners included, Columbia Global Center Africa (CGCA), Earth Institute (EI), International Soil Reference and Information Centre (ISRIC), Tanzania Agricultural Research Institute (... |
Aug 12, 2021
Aynekulu, Ermias; Sitienei, Ruth; Wood, Stephen; Shepherd, Keith, 2021, "Evidence-based Soils Agronomy for Sustainable Crop Production in Muranga County, Kenya", https://doi.org/10.34725/DVN/RTDZH8, World Agroforestry - Research Data Repository, V1, UNF:6:ISYkLL7mFkZtWuSlOa7tcQ== [fileUNF]
The project ‘Improved Agricultural Measurement for Evidence-based Investments in Improved Crop Production in Kenya’ was funded by The Nature Conservancy. The project used soil-plant diagnostic method developed at the World Agroforestry (ICRAF) to quantify soil health constraints... |
Mar 30, 2021
Vågen, Tor-Gunnar; Winowiecki, Leigh Ann; Desta, Luseged; Tondoh, Jerome; Weullow, Elvis; Shepherd, Keith; Sila, Andrew; Dunham, Sarah J.; Hernández-Allica, Javier; Carter, Joanna; McGrath, Steve P, 2021, "Wet chemistry data for a subset of AfSIS: Phase I archived soil samples", https://doi.org/10.34725/DVN/66BFOB, World Agroforestry (ICRAF), V1, UNF:6:15bkgMxXho9IjXVQ0SI0Sw== [fileUNF]
This dataset contains a subset of the samples collected during the AfSIS Phase I project and was a collaborative effort between World Agroforestry (ICRAF) and Rothamsted Research. The soil samples were retrieved from ICRAF Soil Archive: https://worldagroforestry.org/output/icraf-... |
Aug 10, 2020
Vågen, Tor-Gunnar; Winowiecki, Leigh Ann; Desta, Luseged; Tondoh, Ebagnerin Jérôme; Weullow, Elvis; Shepherd, Keith; Sila, Andrew, 2020, "Mid-Infrared Spectra (MIRS) from ICRAF Soil and Plant Spectroscopy Laboratory: Africa Soil Information Service (AfSIS) Phase I 2009-2013", https://doi.org/10.34725/DVN/QXCWP1, World Agroforestry - Research Data Repository, V1, UNF:6:bMN2MBGqFewDKHPgIeRjog== [fileUNF]
AfSIS Phase I was a collaborative projective funded by the Bill and Melinda Gates Foundation (BMGF), which aimed to provide a consistent baseline of soil information for monitoring soil ecosystem services in sub-Saharan Africa (SSA). Partners included, CIAT-TSBF, ISRIC, CIESIN, T... |

