1. Ajani OIY, Ashagidigbi WM (2008) Effect of malaria on rural households’ farm income in Oyo State, Nigeria. Afr J Biomed Res 11(3):259–266
2. Amede T, Menza M, Awlachew SB (2011) Zai improves nutrient and water productivity in the Ethiopian highlands. Exp Agric 47:7–20.
https://doi.org/10.1017/s0014479710000803
3. Andersson JA, Giller KE (2012) On heretics and god’s blanket salesmen. In: Sumberg J, Thompson J (eds) Contested agronomy: Agricultural research in a changing world. Earthscan, New Yord and London, pp 22–46
4. Andersson JA, Giller KE, Mafongoya P, Mapfumo P (2011) Diga Udye or Diga Ufe? (dig-and-eat or dig-and-die?) is conservation farming contributing to agricultural involution in Zimbabwe? In: Abstracts of the regional conservation agriculture symposium, Johannesburg, South Africa, 8–10 February 2011, Johannesburg, South Africa. pp 59–59
5. Baijukya FP, de Ridder N, Giller KE (2005) Managing legume cover crops and their residues to enhance productivity of degraded soils in the humid tropics: a case study in Bukoba District, Tanzania. Nutr Cycl Agroecosyst 73(1):75–87.
https://doi.org/10.1007/s10705-005-7262-0