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Food demand in sub-Saharan Africa will increase drastically in the coming decades due to rapid population growth and a rise in wealth. Maize is the main African staple crop in terms of calorie intake. However, yields are low and have been stagnating. For example, average yields of rainfed maize range from 15 to 25% of the potentially achievable yields in most African countries, indicating a large scope for agricultural intensification – improvement of agricultural productivity. Good agronomic practices are key for increasing crop yields in a sustainable way, not just in Africa, but globally. Conservation agriculture is one of these global practices used for sustainable intensification of crop production. It combines three principles: minimum soil tillage, mulching and crop rotation or intercropping. Tillage means mechanical loosening of soil such as ploughing or overturning. Mulching is a process of covering the ground, in this case, with crop residues. Crop rotations require planting different crops sequentially in the same area while Plant Biology Crop yield responses to conservation agriculture in Africa