Increasing crop yields through smart nutrient management in Eastern Africa

Ensuring food security in sub-Saharan Africa in a sustainable manner is one of the future important challenges. The current project explores ways to substantially improve food productivity in SSA (Ethiopia, Kenya and Tanzania) without corresponding increases in emission intensities of GHGs and nutrients to the environment. As smart nutrient management is key, we formulate promising options for managing nutrient gaps, based on the 4Rs nutrient stewardship’ approach in fertilization taking location specific conditions into account. 

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  • Opportunities exists for introducing legumes in food production systems in Sub-Saharan Africa (SSA), because legumes diversify food intake and have a high nutritional value. In addition, inclusion of legumes in cereal cropping systems can increase cereal yields, due to their capability of fixing atmospheric N. Therefore, inclusion of legumes in the cropping systems is climate smart, as they may enhance productivity at given mineral nitrogen fertilizer rates. Yield gap assessment provides insight in opportunities to increase productivity of legume crops...




This work was implemented as part of the CGIAR Research Program on Climate Change, Agriculture and Food Security (CCAFS), which is carried out with support from CGIAR Fund Donors and through bilateral funding agreements. For details please visit https://ccafs.cgiar.org/donors.