Spectre of drought haunts Plains
Threat to bread basket: US farmers watch land turn to dust and prices plunge
Saturday 11 May 1996
True, much of the rain has come in blasting storms, and down south in Oklahoma and the Texas panhandle conditions are still dire. But Nebraska and parts of Kansas have had those gentle, soaking downpours that are the only real medicine for dried out land. In the markets of Kansas City and Chicago, wheat and corn futures prices have fallen after topping $6 (pounds 4) a bushel for the first time since the mid-1970s. Even so, an old spectre once again is stalking the American grainbelt.
The Great Plains, stretching 1,300 miles from Texas to the Canadian border and 500 miles or more from east to west, may be the planet's breadbasket. They are also home to some of the most savage weather extremes on earth: bitter cold, storms, searing winds and killer tornados, flash floods and heatwaves. Most important, yet often forgotten, is that the Plains' western portion between the 100th meridian and the Rockies is steppeland verging on semi-desert. And the historic scourge of such parts is drought.
According to some meteorologists, the Plains can expect a period of drought roughly every 20 years, based on a cycle of sunspots and ocean currents. Through most of this century the formula has held: the Dustbowl of the 1930s, the scarcely less ruinous drought between 1952 and 1957, and a smaller visitation in the 1970s. Slightly out of sequence, 1988 also witnessed an exceptional drought. But now the 20-year marker has come around again, and the Plains folk are worried.
A repeat of the Dustbowl is unlikely, if only because land management techniques have improved. A similar drought may occur - but never again will overploughing and over-use allow millions of tons of topsoil be sandblasted away by the winds. Even so, the USDA recently reported that in Oklahoma 1.8 million acres, a greater area than in two decades, was vulnerable to serious wind erosion or, as local farmers put it, "ready to blow". There are other uncomfortable parallels too.
Nebraska has had its driest February since 1875, the Oklahoma panhandle its second driest winter since 1895, and until late April scarcely a drop of rain had fallen in parts of northern Texas since October. Drought has turned swathes of Arizona and New Mexico cattlelands and forests into giant tinderboxes.
In the wheat belt, farmers have had to plough under shrivelled and useless wheat, either writing off the crop entirely or replanting with hardier but less valuable sorghum. Just this week, the USDA designated Oklahoma a "primary disaster area", making small farmers eligible for government- subsidised loans - the one barrier to a repeat of the 1930s when banks foreclosed on bankrupt family farms by the thousands.
But at last rain has come. Not just the farmbelt but much of the world is hoping it will last.
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