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小拱棚加地膜双层覆盖栽培是目前我县普遍推广应用的西瓜早熟栽培方式。通常双膜西瓜可提前至 5月底至 6月初成熟 ,比露地西瓜早 3 5～ 4 0天上市 ,比地膜西瓜早 1 5～ 2 0天上市。双膜西瓜的产值高 ,一般亩效益在 3 0 0 0元左右 ,高者可达 4 0 0 0元以上。一、选用早熟耐低温
Small Shed and double film mulching cultivation is currently widely used in our county watermelon early cultivation methods. Usually double-film watermelon can mature ahead of the end of May to early June than the open watermelon market 35 to 40 days earlier than the membrane watermelon early market from 150 to 20 days. Double-membrane watermelon high output value, the general benefits of about 3 0 0 0 yuan, the highest up to 4 0 0 yuan. First, the choice of precocious low temperature