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1扣膜一般2月上、中旬气温已有所回升,此时扣膜有利于节约烧炉子所用的燃料成本。2穴盘的选择由于棉花是直根系作物,主根
1 buckle film generally in February on the mid-temperature has risen, this time buckle film is conducive to saving the cost of burning the stove used in the fuel. 2 plug selection Since cotton is a straight root crop, the main root