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张家口市坝上地区西兰花膜下滴灌不同水分处理对产量的影响研究 被引量:2

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摘要 为了提高张家口市坝上地区西兰花灌溉水利用效率,在膜下滴灌条件下,在西蓝花全生育期内以不同的土壤含水率下限为灌溉依据,对不同处理的西兰花田间水分动态、亩产量和耗水量变化进行了分析。结果表明,在全生育期内,降水丰富的年份下,苗期灌水下限为田间持水量的50%、莲座期灌水下限为田间持水量的60%、结球期灌水下限为田间持水量的50%的产量和水分生产率最大,全生育期耗水量为204.1 mm,日均耗水量为3.35 mm。
出处 《农业科技通讯》 2020年第3期159-161,164,共4页
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