The new face of hunger

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: Unfortunately, no smallholder bonanza is yet happening. In parts of east Africa, farmers are cutting back on the area planted, mostly because they cannot afford fertilisers (driven by oil, fertiliser prices have soared, too). This reaction is not universal. India is forecasting a record cereal harvest; South African planting is up 8% this year. Still, some anecdotal evidence, plus the general increase in food prices, suggests that smallholders are not responding enough. “In a perfect world,” says a recent IFPRI report, “the response to higher prices is higher output. In the real world, however, this isn’t always the case.” Farming in emerging markets is riddled with market failures and does not react to price signals as other businesses do.

This is true to a certain extent of farming in general. If you own a toy factory, or an oilfield, and the price of toys or oil rises, you run the factory night and day, or turn the taps full on. But it always takes a season to grow more food, which is why farm prices everywhere tend to be “sticky”: a 10% increase in prices leads to a 1% increase in output. But the food crisis of 2008 suggests farm prices in developing countries may be stickier than that.

The quickest way to increase your crop is to plant more. But in the short run there is only a limited amount of fallow land easily available. (The substantial unused acreage in Brazil and Russia will take a decade or so to get ready.) For some crops—notably rice in East Asia—the amount of good, productive land is actually falling, buried under the concrete of expanding cities. In other words, food increases now need to come mainly from higher yields.

Yields cannot be switched on and off like a tap. Spreading extra fertiliser or buying new machinery helps. But higher yields also need better irrigation and fancier seeds. The time lag between dreaming up a new seed and growing it commercially in the field is ten to 15 years, says Bob Zeigler of the International Rice Research Institute (IRRI) in the Philippines. Even if a farmer wanted to plant something more productive this year, and could afford to, he could not—unless research work had been going on for years.