Commentary

Tripling crop yields in tropical Africa

Between 1960 and 2000, Asian and Latin American food production tripled, thanks to the use of high-yielding varieties of crops. Africa can follow suit, but only if depletion of soil nutrients is addressed.

  • Subscribe to Nature Geoscience for full access:

    $59

    Subscribe

Additional access options:

Already a subscriber?  Log in  now or  Register  for online access.

References

  1. 1.

    Special Panel on Impact Assessment Contributions Made by the CGIAR and its Partners to Agricultural Development in Sub Saharan Africa (Consultative Group on International Agricultural Research, 2001).

  2. 2.

  3. 3.

    in Proc. Wageningen Agricultural University Conference 66–70 (Wageningen Univ. Press, 1981).

  4. 4.

    , & in Replenishing Soil Fertility in Africa Vol. 51 (eds Buresh, R. J., Sanchez, P. A. & Calhoun, F.) 81–96 (SSSA Special Publication, 1997).

  5. 5.

    , & (eds) Replenishing Soil Fertility in Africa Vol. 51 (SSSA Special Publication, 1997).

  6. 6.

    et al. in Replenishing Soil Fertility in Africa Vol. 51 (eds Buresh, R. J., Sanchez, P. A. & Calhoun, F.) 1–46 (SSSA Special Publication, 1997).

  7. 7.

    Science 295, 2019–2020 (2002).

  8. 8.

    UN Millennium Project Task Force on Hunger Halving Hunger: It Can Be Done 245 (Earthscan, 2005).

  9. 9.

    & Science 307, 357–359 (2005).

  10. 10.

    in Proc. 2004 High-level Seminar Addis Ababa, Ethiopia (July, 2004); available via .

  11. 11.

    et al. Proc. Natl Acad. Sci. USA 104, 16775–16780 (2007).

  12. 12.

    et al. Adv. Agron. (in the press).

  13. 13.

    , & Food Security 1, 37–44 (2009).

  14. 14.

    et al. PLoS Biol. 7, 2–10 (2009).

  15. 15.

    G8 to commit $20bn for food security. Financial Times (10 July, 2009); available via .

  16. 16.

    The Doubly Green Revolution (Penguin, 1997).

  17. 17.

    & (eds) Agroforestry Systems Vol. 47, (1999).

  18. 18.

    , , & Agr. Syst. 94, 509–519 (2007).

  19. 19.

    et al. Science 325, 680–681 (2009).

  20. 20.

    Phil. Trans. R. Soc. Lond. B 358, 1997–2009 (2003).

Download references

Author information

Affiliations

  1. Pedro A. Sánchez is at The Earth Institute, Columbia University, Lamont Campus, 61 Route 9W, Palisades, New York 10964, USA.  psanchez@ei.columbia.edu

    • Pedro A. Sánchez

Authors

  1. Search for Pedro A. Sánchez in: