水旱轮作对土壤pH、有机质和重金属含量的影响

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万方数据
维普

中文摘要：在水旱轮作模式下分水作和旱作2次采样分析了土壤pH、有机质含量及重金属污染物的分布变化规律。结果表明，水旱轮作情形下，水作pH、有机质含量比旱作整体偏高，偏高点位占比分别为85。7%、76。2%;重金属砷、铅、铜、镍、锌含量旱作比水作高，偏高的点位占比分别为61。9%、88。1%、64。3%、76。2%、69。0%，仅铬含量水作比旱作高，偏高的点位占比为71。4%。与旱作相比，水作pH中位值高0。55，增幅为8。0%，有机质含量中位值高9。6 g/kg，增幅为35。6%，砷、铅、铜、镍和锌含量中位值分别下降8。2%、9。2%、11。7%、7。8%、4。8%，而铬含量中位值则增加了14。3%。

外文标题：Effect of paddy-upland rotation on pH,organic matter and heavy metal content of soil

外文摘要：The distribution changes of soil pH,organic matter content and heavy metal pollutants in paddy fields and dry fields under the paddy-upland rotation were studied.The results showed that the pH and organic matter content in paddy fields were generally high-er than those in dry fields,accounting for 85.7%and 76.2%respectively.The contents of heavy metals such as As,Pb,Cu,Ni and Zn were higher in dry fields than in paddy fields,accounting for 61.9%,88.1%,64.3%,76.2%and 69.0%,respectively.Only Cr con-tent was higher in paddy fields than in dry fields,accounting for 71.4%.Compared with dry fields,the soil pH median value in paddy fields had increased by 0.55,with an increase of 8.0%,the soil organic matter median content in paddy fields had increased by 9.6 g/kg,with an increase of 35.6%,and the median content of As,Pb,Cu,Ni and Zn in paddy fields had decreased respectively 8.2%,9.2%,11.7%,7.8%and 4.8%,while Cr median content increased by 14.3%.

外文关键词：

soilpaddy-upland rotationagricultural landenvironmental monitoringpHorganic matterheavy metal

作者：

邓飞、吴阿娜、朱梦杰

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作者单位：

上海市环境监测中心,上海 200235

关键词：

土壤水旱轮作农用地环境监测 pH 有机质重金属

基金：

上海市科委科技基金项目

项目编号：

19DZ1205303

出版年：

2024

DOI：

10.14088/j.cnki.issn0439-8114.2024.10.004

湖北农业科学

湖北省农业科学院　华中农业大学　长江大学　黄冈师范学院

湖北农业科学

CSTPCD

影响因子：0.442

ISSN：0439-8114

年,卷(期)：2024.63(10)