A changing climate that many scientists fear will hurt global crop production means seed makers must work harder to meet food needs as world population grows by 30 percent by 2050, a top world seed executive said.
"Agriculture production is moving to the north because those climates are becoming warmer. Some of those environments are also very conducive to some good agricultural production," Paul Schickler, president of Pioneer Hi-Bred, a unit of chemicals giant DuPont, told Reuters on Friday.
"But when you move north you've got less of a season, less sun, less heat units. Now you need to make hybrids and varieties that have shorter maturities but still generate the appropriate amount of yield," Schickler said when asked about the company's long-term growth strategy.
"Soils are also becoming more saline -- so you've got to have crops that can tolerate more saline," he added.
The need to increase crop yields is in the spotlight now across the globe. Food demand, always rising with population and wealth, has exploded in recent years as China and, to a lesser extent, India, speedily grow their economies. That has brought millions more hungry mouths with ample money to eat grain-fed beef, pork, poultry and dairy.
Worries about the shrinking "pie" of food supplies has led to a fresh spike in food prices, as seen in 2008. Corn and other grain prices are up at least 70 percent in the past year, according to the Food and Agricultural Organization.
Yet demand for more food grains has come as biofuels have cut into grain use. More ominous are shrinking amounts of arable land with soils to grow wheat, corn, rice, oilseeds and other major crops. Climate, scientists say, is a big cause.
The U.N. Intergovernmental Panel on Climate Change warned years ago mankind is likely facing a future of crop-growing perils, starting with tropical zones growing too hot and dry.
A typical study, published this month in the respected journal Science, concludes that climate change has trimmed potential global wheat production 5.5 percent and corn output 3.8 percent over the last three decades.
VOLATILITY, THE NEW NORMAL?
Extremes in weather -- fears of things to come -- tested world farmers in 2010 and this year looks little different. But Schickler said volatile weather is stock in trade for Pioneer.
Click here to see more...