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渍灾

渍灾又称暗涝和哑巴灾，是指土壤孔隙中水分过多、空气过少导致农作物根部无法呼吸，进而严重影响农作物的生长造成农作物歉收。一般引发渍灾的因素有降水过多、土壤自身渗透性差无法及时排水以及低洼的地势[1][2]。

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参考资料

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  1. ^ 河南省水利厅水旱灾害专著编辑委员会 (编). 《河南水旱灾害》. 郑州：黄河水利出版社. 1999: 第35页 [2020-07-08]. （原始内容存档于2020-07-09）. 
  2. ^ 湖南省革命委员会水利电力局 (编). 《韶山灌区 第1分册 规划》. 北京：水利电力出版社. 1974: 第151页 [2020-07-08]. （原始内容存档于2020-07-09）. 
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渍灾
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