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水稻麦后旱直播技术是在前作小麦腾茬后经整地、施肥后直接将稻种直播,无需育秧、栽插的一种轻型稻作栽培技术。由于该技术具有省工、节本、不需育秧并避开秧田期水稻灰飞虱危害高峰而减轻水稻条纹叶枯病发生危害等优点,近年在江苏省生产上发展速度快,种植面积不断扩大。但是,
Rice dry after-wheat broadcast technology is in the wheat before Tengchan by soil preparation, fertilization directly after the rice species, without seedlings, transplanting a light-rice cultivation techniques. Due to the advantages of saving labor, saving costs and eliminating the need of seedling and avoiding the damaging peak of rice planthopper during seedling stage, the technology has been developed rapidly in Jiangsu Province in recent years and its planting area has been continuously expanded . but,