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干旱区天然白刺平茬效应初探

李光仁

甘肃省治沙研究所!甘肃武威733000

Abstract: 在干旱沙区,对天然白刺灌丛进行人工平茬。平茬后,白刺萌芽时间虽较未平茬植株推迟12 d,但平均年生长量为未平茬的14倍,鲜质量为未平茬的4倍;白刺沙包0~100 cm平均含水率较未平茬的沙包高022个百分点。人工平茬促进了白刺的生长势,减少了白刺沙包蓄水的消耗量。 
  • Series:

    (D) Agriculture

  • Subject:

    Forestry

  • Classification Code:

    S793.905

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