Can traditional rules of thumb provide accurate weather forecasts? Researchers in Junagadh, India, are trying to find out. Most farmers in the region grow one crop of peanuts or castor per year. In a wet year, peanuts give the best returns, but if the rains are poor, the more drought-tolerant castor is a better bet. In April and May, before the monsoon comes, farmers decide what to plant, buy the seed, prepare the soil and hope for the best An accurate forecast would be extremely helpful.
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