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自从地膜覆盖栽培在乌市郊区推广应用以来,对蔬菜提前上市,增产增收,节约用水,保持土壤团粒结构等方面起到重要作用,受到群众一致好评。 杂草是菜区的一大害。由于覆盖地膜很难达到“严、平、紧”的要求,在春季铺膜后常常给小草创造温和、湿润和通气的良好环境,使它生长更加旺盛,薄膜下人工除草十分困难,很多覆膜社队杂草丛生,因此,要达到经济有效的消灭膜内杂草,就成了覆盖栽培一项重要课题。
Since the popularization and application of plastic film mulching cultivation in the outskirts of Wu’er City, it has played an important role in promoting vegetables to market ahead of schedule, increasing production and income, conserving water and maintaining soil aggregate structure, and has been well received by the masses. Weeds are a big damage to the vegetable area. Because it is hard to reach the requirements of “strict, flat and tight” to cover the plastic film, it will often create a good environment for the grass to be mild, moist and aerated after the film is laid in the spring, making it more vigorous to grow. The artificial weeding under the film is very difficult. Membrane community overgrown, therefore, to achieve economic and effective elimination of weeds within the film, it has become an important issue covered cultivation.