| 汉中市蔬菜地土壤面源污染的实验研究 |
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| 引用本文： | 宋凤敏,李琛,汤波.汉中市蔬菜地土壤面源污染的实验研究[J].陕西理工学院学报(自然科学版),2010,26(1):75-78. |
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| 作者姓名： | 宋凤敏 李琛 汤波 |
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| 作者单位： | 陕西理工学院,化学与环境科学学院,陕西,汉中,723001 |
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| 摘 要： | 通过对汉中市市郊旱地、水田、蔬菜地3类土壤进行监测比较，筛选出具有代表性的蔬菜地土壤作为分析对象，对其N和P流失情况以及典型重金属污染进行分析。结果表明：汉中市土壤N流失率为24．7％、P流失率为79％，在特殊测区重金属Hg超标，Cd含量达到土壤重金属污染评价二级标准。
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| 关 键 词： | 面源污染 N流失 P流失 重金属 土壤 |
Experimental study on the vegetable field non-point source pollution of Hanzhong City |
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| SONG Feng-min,LI Chen,TANG Bo.Experimental study on the vegetable field non-point source pollution of Hanzhong City[J].Journal of Shananxi University of Technology:Natural Science Edition,2010,26(1):75-78. |
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| Authors: | SONG Feng-min LI Chen TANG Bo |
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| Institution: | SONG Feng-min,LI Chen,TANG Bo (School of Chemistry , Environmental Science,Shaanxi University of Technology,Hanzhong 712001,China) |
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| Abstract: | This paper compared three kinds of soil pollution including dry farmland,paddy field and vegetable field in Hanzhong city.It selected the vegetable soil pollution for studying,and the flowing condition about nitrogen,phosphate and special heavy metal were analyzed.The results indicated that the nitrogen flowing rate was 24.7%,the phosphate flowing rate was 79%.In some special test region,mercury content exceeded the secondary standard of environmental quality standard for soils and cadmium reached the stand... |
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| Keywords: | non-point pollution the flowing of nitrogen the flowing of phosphate heavy metal soil |
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