Micronutrient deficiencies in African soils and the human nutritional nexus: opportunities with staple crops

J Kihara, P Bolo, M Kinyua, J Rurinda… - … geochemistry and health, 2020 - Springer
A synthesis of available agronomic datasets and peer-reviewed scientific literature was
conducted to:(1) assess the status of micronutrients in sub-Saharan Africa (SSA) arable …

Challenges for sustainable maize production of smallholder farmers in sub-Saharan Africa

JE Cairns, J Chamberlin, P Rutsaert, RC Voss… - Journal of Cereal …, 2021 - Elsevier
Maize production must increase three-fold in sub-Saharan Africa to meet the needs of future
generations. Sustainably increasing maize production will require a portfolio of …

[HTML][HTML] Progress in research on site-specific nutrient management for smallholder farmers in sub-Saharan Africa

P Chivenge, S Zingore, KS Ezui, S Njoroge… - Field crops …, 2022 - Elsevier
Increasing fertilizer access and use is an essential component for improving crop production
and food security in sub-Saharan Africa (SSA). However, given the heterogeneous nature of …

The joint effects of information and financing constraints on technology adoption: Evidence from a field experiment in rural Tanzania

AP Harou, M Madajewicz, H Michelson… - Journal of Development …, 2022 - Elsevier
Low investment in profitable technologies contributes to persistent poverty. Many farmers in
developing countries invest too little in fertilizer despite evidence that fertilizer is profitable …

Spatial variation in fertilizer prices in Sub-Saharan Africa

C Bonilla Cedrez, J Chamberlin, Z Guo, RJ Hijmans - PloS one, 2020 - journals.plos.org
Low crop yields in Sub-Saharan Africa are associated with low fertilizer use. To better
understand patterns of, and opportunities for, fertilizer use, location specific fertilizer price …

Unravelling the variability and causes of smallholder maize yield gaps in Ethiopia

BT Assefa, J Chamberlin, P Reidsma, JV Silva… - Food Security, 2020 - Springer
Ethiopia has achieved the second highest maize yield in sub-Saharan Africa. Yet, farmers'
maize yields are still much lower than on-farm and on-station trial yields, and only ca. 20% of …

[HTML][HTML] Purchased agricultural input quality and small farms

H Michelson, S Gourlay, T Lybbert, P Wollburg - Food Policy, 2023 - Elsevier
Adoption of non-labor agricultural inputs remains low among small-scale farmers in many
low-income countries. Accurate measurement of the quality of these inputs and quantities …

[HTML][HTML] Farmers' preferences for high-input agriculture supported by site-specific extension services: Evidence from a choice experiment in Nigeria

O Oyinbo, J Chamberlin, B Vanlauwe, L Vranken… - Agricultural systems, 2019 - Elsevier
Agricultural extension to improve yields of staple food crops and close the yield gap in Sub-
Saharan Africa often entails general recommendations on soil fertility management that are …

[HTML][HTML] Agricultural household effects of fertilizer price changes for smallholder farmers in central Malawi

AM Komarek, S Drogue, R Chenoune, J Hawkins… - Agricultural …, 2017 - Elsevier
This simulation study explored the agricultural household effects of changes in the price of
inorganic nitrogen fertilizer for farmers in central Malawi. We selected the Dedza district to …

[HTML][HTML] Assessing and understanding non-responsiveness of maize and soybean to fertilizer applications in African smallholder farms

D Roobroeck, CA Palm, G Nziguheba, R Weil… - Agriculture, ecosystems …, 2021 - Elsevier
Use of mineral fertilizers is essential to enhance crop productivity in smallholder farming
systems of Sub-Saharan Africa, but various studies have reported 'non-responsiveness' …