Jul 25, 2022 - ICRAF Soil and Land Health Theme
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... |
Mar 30, 2021 - ICRAF Soil and Land Health Theme
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 6, 2019
Towett, Erick; Shepherd, Keith; Sila, Andrew; Aynekulu, Ermias; Cadisch, Georg, 2016, "Mid-infrared and total X-ray fluorescence spectroscopy complementarity for assessment of soil properties", https://doi.org/10.34725/DVN/N0UGWL, World Agroforestry (ICRAF), V1, UNF:6:Ft32jdT6CrFszNC2Ig68Mw== [fileUNF]
Diffuse reflectance Fourier transformed mid-infrared (DRIFT-MIR) spectroscopy can predict many soil properties but extractable nutrients are often predicted poorly. This paper tested the combined DRIFT-MIR and total X-ray fluorescence (TXRF) spectroscopy analysis for prediction o... |
Aug 6, 2019
Towett, Erick; Shepherd, Keith; Tondoh, Jerome; Winowiecki, Leigh; Lulseged, Tamene; Nyambura, Mercy; Sila, Andrew; Tor-G., Vågen; Cadisch, Georg, 2016, "Total elemental composition of soils in Sub-Saharan Africa and relationship with soil forming factors", https://doi.org/10.34725/DVN/4VOYZW, World Agroforestry (ICRAF), V1, UNF:6:Rxqr/SZyZSF+hgyMX5GpCg== [fileUNF]
A thorough understanding of the variation in total soil element concentrations is important especially in the Sub-Saharan Africa (SSA) soil contexts for agricultural and environmental management at large scale. Fingerprinting of soil elemental composition may form a useful basis... |
Aug 6, 2019
Towett, Erick; Shepherd, Keith; Lee Drake, B, 2016, "Replication data for: Plant elemental composition and portable X-ray fluorescence (pXRF) spectroscopy: quantification under different analytical parameters", https://doi.org/10.34725/DVN/WGWE8S, World Agroforestry (ICRAF), V1
Emergence of portable X-ray fluorescence (pXRF) systems presents new opportunities for rapid, low-cost plant analysis, both as a lab system and in situ system. Numerous studies have extolled the virtues of using pXRF for a wide range of plant applications, however, formany such a... |
Feb 15, 2018
Wafula, Joshua; Koech, Grace; Nyongesa, Josephat; Shepherd, Keith; Leudeling, Eike; De Leeuw, Jan, 2017, "Raw data for net income from bee-keeping in Lamu County, Kenya", https://doi.org/10.34725/DVN/JNOEZM, World Agroforestry (ICRAF), V2, UNF:6:IyxDQnl28oT6exvuN1a1tw== [fileUNF]
The Intergovernmental Authority on Development (IGAD) in its programme on biodiversity conservation partnered with the World Agroforestry Centre (ICRAF) to implement biodiversity-based interventions along the Kenya-Somalia border. Investing in Honey Value Chains (HVC) for rural c... |
Apr 10, 2015
Breedy, Tracy; Aynekulu, Ermias; Shepherd, Keith; Sila, Andrew, 2014, "Land Health: Land health surveillance system in support of Malawi food security project", https://doi.org/10.34725/DVN/24320, World Agroforestry (ICRAF), V2
The World Agroforestry Centre (ICRAF) with funding from the Irish Aid Malawi, has been implementing a four-year nation-wide programme known as the Agroforestry Food Security Programme (AFSP) in 11 districts and eight Agricultural Development Divisions (ADDs): Shire Valley, Blanty... |
Apr 10, 2015
Towett, Erick; Shepherd, Keith; Sila, Andrew; Chacha, Robin, 2014, "Replication data for: Quantification of total element concentrations in soils using total X-ray fluorescence spectroscopy (TXRF)", https://doi.org/10.34725/DVN/24294, World Agroforestry (ICRAF), V2
Total X-ray fluorescence spectroscopy (TXRF) determines concentrations of major and trace elements in mul- tiple media. We developed and tested a method for the use of TXRF for direct quantification of total element concentrations in soils using an S2 PICOFOX TM spectrometer (Bru... |
Apr 7, 2015
Aynekulu, Ermias; Shepherd, Keith; Sila, Andrew; Koala, Jonas, 2014, "Land Health: Carbon sequestration options in pastoral & agro-pastoral systems in Africa (Ethiopia, Burkina)", https://doi.org/10.34725/DVN/24319, World Agroforestry (ICRAF), V3, UNF:6:8mMh0WaoFzsWM4l7uBhGww== [fileUNF]
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Apr 7, 2015
Takoutsing, Bertin; Aynekulu, Ermias; Shepherd, Keith; Sila, Andrew, 2014, "Land health: Land health surveillance system for targeting agroforestry based interventions for sustainable land productivity in the western highlands of Cameroon", https://doi.org/10.34725/DVN/24345, World Agroforestry (ICRAF), V2, UNF:6:hiXAq3GlAnOJ7km09VPBlA== [fileUNF]
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