Contested agronomy: agricultural research in a changing world / James Sumberg, John Thompson and Philip Woodhouse -- On heretics and God's blanket salesmen: contested claims for conservation agriculture and the politics of its promotion in African smallholder farming / Jens A. Andersson and Ken E. Giller -- Conservation agriculture based technologies and the political economy: lessons from South Asia / Olaf Erenstein -- Anthropogenic dark earths and Africa: a political agronomy of research disjunctures / James Fairhead, Melissa Leach and Kojo Amanor -- Contestation as continuity? Biofortification research and the CGIAR / Sally Brooks and Sarah E. Johnson-Beebout -- Water in African agronomy / Philip Woodhouse -- Understanding agricultural intensification on a forest frontier in Madagascar: elements for a Malthusian/Boserupian synthesis / Jacques Pollini -- Alternative configurations of agronomic experimentation / Harro Maat and Dominic Glover -- "This field is our church": the social and agronomic challenges of knowledge generation in a participatory soil fertility management project / Joshua Ramisch -- Contesting agronomy through dissent: experiences from India / C. Shambu Prasad ... [et al.] -- Success making and success stories: agronomic research in the spotlight / James Sumberg ... [et al.] -- Nullius in verba: contestation, pathways and political agronomy / John Thompson and James Sumberg.