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去年开原县八棵树镇陈家村农民陈维信将地膜使用了两次——先覆香瓜,再覆花生,增加了经济效益。1984年4月中旬,陈维信购买了36斤地膜,准备用于花生覆膜栽培,而这时离使用期尚有20多天的时间。为了增加经济效益,他决定在播花生之前,用地膜先覆盖香瓜。他趁中午温度较高时种下香瓜籽,然后将整块地膜盖上。这样,他采取先种后覆膜、不打眼的方法种了2亩香瓜。到5月5日,气温已经回升,香瓜在膜下长出了三叶一心。这时,他将香瓜地上的地膜揭下来,转盖在毗邻的2亩花生地上,实行打眼种植。
Chen Weixin, a farmer from Chenjia Village, Baqishu Town, Kaiyuan County, used the mulch two times last year - adding melon first and then peanut to increase economic benefits. In mid-April 1984, Chen Weixin bought 36 pounds of plastic film, ready for peanut film cultivation, and then there is still more than 20 days from the period of use. In order to increase economic efficiency, he decided to cover the melon with plastic film before sowing. He planted the melon seeds while the temperature was high at noon, and then covered the entire film. In this way, he took the first species after the film, do not drill method of planting 2 acres of melon. To May 5, the temperature has picked up, the melon grows under the film clover heart. At this moment, he peeled off the mulch on the ground of the melon and transferred it to the adjacent 2 mu of peanut ground for practicing the drilling of the eye.