滴灌条件下核桃灌溉制度研究
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新疆“十二五”重大专项“新疆特色果树微灌节水增效技术研究与示范”(201130103-1)


A Study of Irrigation Schedule for Walnut Tree Under Drip Irrigation
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    摘要:

    采用正交试验设计, 通过田间试验, 研究了滴灌条件下核桃的灌溉制度。 研究表明, 不同水分下限处理的核桃耗水总量为711.77~814.38 mm, 生育期内各处理各月的日耗水强度4月为3.57~4.18mm/d, 5月为3.78~4.87mm/d, 6, 7月达到最大值5.9~7.35mm/d, 8月为3.6~4.46mm/d。 综合分析产量、蛋白质含量、脂肪含量及出仁率, 结果认为, 开花期、果实膨大期及硬核期的土壤水分下限指标分别为60%, 60%和50%, 全年灌水12次, 灌水定额为680m3/hm2

    Abstract:

    Irrigation schedule for walnut tree under drip irrigation was studied through a field experiment with orthogonal design method. Results showed that the total water amount was between 711. 77 and 814. 38mm for different lower limit treatments of soil moisture. In the growing period, daily water consumption for the treatments was 3. 57~4. 18mm/din April, 3. 78~4. 87mm/d in May, 5. 9~7. 35mm/d in June and July, being highest, and 3. 6~4. 46mm/d in August. Comprehensive analysis of yield, protein, fat and kernel rate showed that the lower limits of soil moisture were 60%, 60% and 50% in flowering stage, fruit expan-ding stage and stone hardening stage, respectively. Suitable irrigation was 12 times one year and the quota of irrigation was 680m3/hm2.

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胡琼娟,陈杰,马英杰,曾冬梅.滴灌条件下核桃灌溉制度研究[J].水土保持通报,2012,(5):244-247

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历史
  • 收稿日期:2011-08-23
  • 最后修改日期:2011-11-29
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  • 在线发布日期: 2014-11-25
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