Summary
This dataset paper presents primary micronutrient and soil chemistry data from the GeoNutrition project, a multi-season survey across three regions of Ethiopia and nationally across Malawi. The data characterise geospatial variation in micronutrient concentration in cereal staples and the soil properties that may influence grain mineral composition. The dataset is published according to FAIR principles to support further investigation of agriculture–nutrition linkages.
UK applicability
The dataset is geographically specific to sub-Saharan African agroecological and socioeconomic contexts and would have limited direct applicability to UK cereal production systems. However, the methodology and data structure may be relevant to UK researchers seeking to establish similar agriculture–nutrition monitoring frameworks in different contexts.
Key measures
29 mineral micronutrients in grain (measured by ICP-MS); 84 soil chemistry properties including soil pH, total nitrogen, total and organic carbon, cation exchange capacity, exchangeable cations, sequential extraction of sulfur and selenium, available phosphate, DTPA-extractable trace elements, and isotopically exchangeable zinc
Outcomes reported
The study reported concentrations of 29 mineral micronutrients in cereal grains and up to 84 soil chemistry properties from geographically stratified surveys in Ethiopia and Malawi. Data were collected to characterise geospatial variation in micronutrient concentration in staple crops and identify potential soil factors influencing this variation.
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