Martin R. Broadley
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View article: Residual soil-applied zinc improves grain zinc nutritional quality of maize grown under contrasting soil types in Malawi
Residual soil-applied zinc improves grain zinc nutritional quality of maize grown under contrasting soil types in Malawi Open
Introduction A proper understanding of the residual value of zinc (Zn) is essential for sustainable biofortification of food crops. This study hypothesized that Zn applied at rates higher than the current national recommendation would have…
View article: Genotype × soil zinc interaction constrains grain zinc loading in a biofortified common bean under farmer management
Genotype × soil zinc interaction constrains grain zinc loading in a biofortified common bean under farmer management Open
Biofortified crops are deployed to combat micronutrient deficiencies, but their efficacy in nutrient-poor soils is poorly understood. We evaluated the zinc (Zn) loading capacity of a biofortified bean variety NUA45 across nine smallholder-…
View article: Designing on-farm trials: an example with interventions to improve micronutrient status of grain crops
Designing on-farm trials: an example with interventions to improve micronutrient status of grain crops Open
View article: Communicating expected uncertainty in a geostatistical survey to support co-design with users of information
Communicating expected uncertainty in a geostatistical survey to support co-design with users of information Open
Much research has examined communication about the uncertainty in spatial information to users of that information, but an equally challenging task is enabling those users to understand a priori measures of uncertainty for surveys of diffe…
View article: Biofortification of Common Bean: Critical Analysis of Genetic and Agronomic Strategies as Viable Alternatives to Tackling Zinc Deficiency in Developing Countries
Biofortification of Common Bean: Critical Analysis of Genetic and Agronomic Strategies as Viable Alternatives to Tackling Zinc Deficiency in Developing Countries Open
Zinc (Zn) deficiency affects over 30% of the global population, with the highest burdens in developing countries reliant on cereal-based diets. As a major dietary staple in regions such as Sub-Saharan Africa and Latin America, common bean …
View article: Multiple soil and landscape properties are associated with the spatial variation of selenium concentration in maize grain in Malawi
Multiple soil and landscape properties are associated with the spatial variation of selenium concentration in maize grain in Malawi Open
Dietary selenium (Se) deficiency is widespread in Malawi, due to the limited supply of Se in the predominantly maize-based food system characterised by low Se concentration. This study examined the spatial variation of Se in maize grains i…
View article: Iodized salt has large impacts on child health and test scores in Ethiopia
Iodized salt has large impacts on child health and test scores in Ethiopia Open
This study quantifies the impact of iodized salt on child survival and academic achievement based on sudden nationwide changes in access to iodized salt, given naturally occurring geographic variation in iodine. We combine data on birth ti…
View article: Burden of selenium deficiency and cost-effectiveness of selenium agronomic biofortification of staple cereals in Ethiopia
Burden of selenium deficiency and cost-effectiveness of selenium agronomic biofortification of staple cereals in Ethiopia Open
Selenium (Se) deficiency among populations in Ethiopia is consistent with low concentrations of Se in soil and crops that could be addressed partly by Se-enriched fertilisers. This study examines the disease burden of Se deficiency in Ethi…
View article: Soil zinc surveillance frameworks can inform human nutrition studies: opportunities in India
Soil zinc surveillance frameworks can inform human nutrition studies: opportunities in India Open
Mineral micronutrient deficiencies are widespread in global food systems and can affect plant growth, crop quality, and human and livestock health. The mapping of soils and soil properties linked to micronutrient supply in food systems is …
View article: Doctoral training to support sustainable soil geochemistry research in Africa
Doctoral training to support sustainable soil geochemistry research in Africa Open
Africa’s potential for scientific research is not yet being realized, for various reasons including a lack of researchers in many fields and insufficient funding. Strengthened research capacity through doctoral training programmes in highe…
View article: Effects of Selenate Application on Growth, Nutrient Bioaccumulation, and Bioactive Compounds in Broccoli (Brassica oleracea var. italica L.)
Effects of Selenate Application on Growth, Nutrient Bioaccumulation, and Bioactive Compounds in Broccoli (Brassica oleracea var. italica L.) Open
The biofortification of edible crops with selenium (Se) is a common and effective strategy to address inadequate Se intake, which is suffered by millions of people worldwide. However, there is little information regarding the effects of th…
View article: The 4T and 7T introgressions from Amblyopyrum muticum and the 5Au introgression from Triticum urartu increases grain zinc and iron concentrations in Malawian wheat backgrounds
The 4T and 7T introgressions from Amblyopyrum muticum and the 5Au introgression from Triticum urartu increases grain zinc and iron concentrations in Malawian wheat backgrounds Open
Micronutrient deficiencies (MNDs) particularly zinc (Zn) and iron (Fe) remain widespread in sub-Saharan Africa (SSA) due to low dietary intake. Wheat is an important source of energy globally, although cultivated wheat is inherently low in…
View article: Unravelling the impact of soil types on zinc, iron, and selenium concentrations in grains and straw of wheat/Amblyopyrum muticum and wheat/Triticum urartu doubled haploid lines
Unravelling the impact of soil types on zinc, iron, and selenium concentrations in grains and straw of wheat/Amblyopyrum muticum and wheat/Triticum urartu doubled haploid lines Open
The concentration of mineral nutrients in plants is associated with bioavailabilities of soil mineral nutrients, which are regulated by various soil physio-chemical properties. A pot experiment was conducted to investigate the effects of s…
View article: Heat and salinity stress on the African eggplant F1 Djamba, a Kumba cultivar
Heat and salinity stress on the African eggplant F1 Djamba, a Kumba cultivar Open
Climate change is expected to increase soil salinity and heat-wave intensity, duration, and frequency. These stresses, often present in combination, threaten food security as most common crops do not tolerate them. The African eggplant ( S…
View article: Urine Se concentration poorly predicts plasma Se concentration at sub-district scales in Zimbabwe, limiting its value as a biomarker of population Se status
Urine Se concentration poorly predicts plasma Se concentration at sub-district scales in Zimbabwe, limiting its value as a biomarker of population Se status Open
Introduction The current study investigated the value of urine selenium (Se) concentration as a biomarker of population Se status in rural sub-Saharan Africa. Method Urine and plasma Se concentrations were measured among children aged 6–59…
View article: Drought and heatwave affected the African eggplant differently when present in combination than individually
Drought and heatwave affected the African eggplant differently when present in combination than individually Open
Heat waves and drought periods are set to happen more often due to a changing climate, especially in Africa. The African eggplant, Solanum aethiopicum L., is a highly nutritious vegetable crop indigenous to Africa commonly grown by small-h…
View article: Comment on gc-2023-1
Comment on gc-2023-1 Open
Abstract. The communication of uncertainty is not only a challenge when soil information has been produced but also in the planning stage. When planning a survey of soil properties it is necessary to make decisions about t…
View article: Comment on gc-2023-1
Comment on gc-2023-1 Open
Abstract. The communication of uncertainty is not only a challenge when soil information has been produced but also in the planning stage. When planning a survey of soil properties it is necessary to make decisions about t…
View article: Preventing and Controlling Zinc Deficiency Across the Life Course: A Call to Action
Preventing and Controlling Zinc Deficiency Across the Life Course: A Call to Action Open
Through diverse roles, zinc determines a greater number of critical life functions than any other single micronutrient. Beyond the well-recognized importance of zinc for child growth and resistance to infections, zinc has numerous specific…
View article: Mehlich 3 as an indicator of grain nutrient concentration for five cereals in sub-Saharan Africa
Mehlich 3 as an indicator of grain nutrient concentration for five cereals in sub-Saharan Africa Open
View article: Differences in the nutritional quality of improved finger millet genotypes in Ethiopia
Differences in the nutritional quality of improved finger millet genotypes in Ethiopia Open
View article: Linking soil adsorption-desorption characteristics with grain zinc concentrations and uptake by teff, wheat and maize in different landscape positions in Ethiopia
Linking soil adsorption-desorption characteristics with grain zinc concentrations and uptake by teff, wheat and maize in different landscape positions in Ethiopia Open
Aim Zinc deficiencies are widespread in many soils, limiting crop growth and contributing to Zn deficiencies in human diets. This study aimed at understanding soil factors influencing grain Zn concentrations and uptake of crops grown in di…
View article: Dietary selenium intake among Ethiopian children in areas known for selenium spatial variability
Dietary selenium intake among Ethiopian children in areas known for selenium spatial variability Open
Introduction There is spatial variability of selenium (Se) in soil and crops in Ethiopia. We assessed the Se content of food items, breast milk, and urine among infants in Ethiopia from two areas with contrasting Se concentrations in soils…
View article: Landscape and Micronutrient Fertilizer Effect on Agro-Fortified Wheat and Teff Grain Nutrient Concentration in Western Amhara
Landscape and Micronutrient Fertilizer Effect on Agro-Fortified Wheat and Teff Grain Nutrient Concentration in Western Amhara Open
Agronomic biofortification, encompassing the use of mineral and organic nutrient resources which improve micronutrient concentrations in staple crops is a potential strategy to promote the production of and access to micronutrient-dense fo…
View article: In Memoriam Philip John White (1960–2023)
In Memoriam Philip John White (1960–2023) Open
View article: Comment on gc-2023-1
Comment on gc-2023-1 Open
Abstract. The communication of uncertainty is not only a challenge when soil information has been produced but also in the planning stage. When planning a survey of soil properties it is necessary to make decisions about t…
View article: Effectiveness of Agronomic Biofortification Strategy in Fighting against Hidden Hunger
Effectiveness of Agronomic Biofortification Strategy in Fighting against Hidden Hunger Open
Micronutrient deficiencies (MNDs), also known as hidden hunger, affect more than a quarter of the global population. Agronomic biofortification helps to increase the concentration of a target mineral in food crops and improve human mineral…
View article: Solanum Crops with a Focus on the African Eggplant: The Potential of Biostimulants to Enhance Stress Tolerance
Solanum Crops with a Focus on the African Eggplant: The Potential of Biostimulants to Enhance Stress Tolerance Open
Drought, salinity, and increased temperatures are a threat to food security and farmers’ income, especially in Africa where around 50% of the population is involved in agriculture. These stresses, often present together in field conditions…
View article: Effectiveness of Agronomic Biofortification Strategy in Fighting against Hidden Hunger
Effectiveness of Agronomic Biofortification Strategy in Fighting against Hidden Hunger Open
Micronutrient deficiencies (MNDs), also known as hidden hunger, affects more than a quarter of the global population. Agronomic biofortification helps to increase concentration of a target mineral in food crops and improve human mineral di…
View article: Do agronomic approaches aligned to regenerative agriculture improve the micronutrient concentrations of edible portions of crops? A scoping review of evidence
Do agronomic approaches aligned to regenerative agriculture improve the micronutrient concentrations of edible portions of crops? A scoping review of evidence Open
Regenerative Agriculture (RA) is used to describe nature-based agronomic approaches that aim to build soil health and crop resilience, minimize negative environmental outcomes, and improve farmer livelihoods. A benefit that is increasingly…