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Garlic cotton double cropping is currently a very popular production system in China.In this system garlic is sown in late October of last year and harvested in late May of the year, while cotton seeds are sown in a nursery bed in late March or early April and seedlings are transplanted to garlic field in late April or early May before harvest of garlic of the year.This labor intensive and high input dependent intercropping system, however, is currently challenged with reduced labor power in countryside and relative low price of cotton in China.Direct planting of short season cot ton in late May after garlic harvest may meet the challenges without yield reduction of both crops.