Many African farmers are concerned about the cost of herbicides. According to Leonard Gianessi, weed control through herbicides only comes to $5 per hectare per day. This is just a third of the expense for hand weeding and still much less expensive than fertilizers, says the director of CropLife Foundation's Crop Protection Research Institute.
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About the author
Rahilla Zafar
Rahilla Zafar served as a former Devex fellow in Washington, D.C., from April to July 2008 after returning from Afghanistan, where she worked for the International Organization for Migration and the NATO-led mission. Her writing has appeared in the Chicago Tribune, the Guardian and Knowledge@Wharton. Rahilla has a bachelor's in public policy from DePaul University and a master's in social policy and planning in developing countries from the London School of Economics.
