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承德县在今年遭遇特大干旱的情况下 ,采用覆膜直播技术种植的３３３３．３ｈｍ２水稻喜获丰收 ,平均６６７ 产６３４．６公斤 ,最高６６７ 产达７００公斤 ,这一技术已通过国家科技部技术认证 ,从而为我国北方贫水区扩大水稻生产开辟了一条新路。试验表明 :覆膜直播水稻的节
In this year’s severe drought in Chengde County, 3,333.3 hm 2 of rice planted with film-covered direct seeding technology enjoyed a bumper harvest with an average yield of 634.6 kg at 667 and a maximum yield of 667 at 700 kg. This technology has been approved by the Ministry of Science and Technology Certification, which opened up a new way for expanding rice production in the water-deficient areas in northern China. Experiments show that: mulching direct seeding rice section