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姜堰市目前又积极示范推广西瓜大棚套小弓棚加地膜的“三膜”栽培技术，不仅使西瓜上市期较常规栽培早一月左右，而且生长期延长２５—３０天，产量提高近一倍；加之早期西瓜价格高、亩收益超过５５００元。１选用良种，适期早播 选早期易座果、耐低温、耐弱光、宜密植、早熟、
Jiangyan City is also actively demonstrating the promotion of watermelon greenhouse shed a small bow plus plastic film “three membrane” cultivation techniques, not only the watermelon listing period of about one month earlier than conventional cultivation, and the growth period of 25-30 days to extend the yield nearly doubled ; Combined with the early high price of watermelon, mu income more than 5500 yuan. 1 selection of elite, early selection of early stage suitable early selection of fruit, cold, light resistance, should be close planting, precocious,