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Research on Soil Heavy Metals of Long-term Positioning Greenhouse under Different Irrigation Methods
Author(s): XIAO Zhi-qiu, ZHANG Yu-long, WANG Fang
Pages: 47-
51
Year: 2011
Issue:
23
Journal: Northern Horticulture
Abstract: 试验研究了蔬菜保护地长期定位渗灌、沟灌、滴灌处理0~80 cm层次土壤Cu、Zn、Cd、Cr、Pb 5种金属元素有效态含量和全量的剖面分布特征,以同一试验区棚外露地大田土壤样本作为对照.结果表明:棚外露地大田与保护地棚内土壤重金属全量、有效态含量变化随土层加深而降低.棚内0~40 cm土层土壤重金属全量、有效态含量明显高于棚外土壤.棚内3种灌水处理0~40 cm土层土壤间重金属全量、有效态含量差异...
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