Assessment on Contents of Heavy Metals and Properties of Apple Orchard Soil with Different Planting Ages in Luochuan County

ZHANG Cai-yun; PANG Jiang-li; SHEN Hai-yuan

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Assessment on Contents of Heavy Metals and Properties of Apple Orchard Soil with Different Planting Ages in Luochuan County

- Assessment on Contents of Heavy Metals and Properties of Apple Orchard Soil with Different Planting Ages in Luochuan County
- Bulletin of Soiland Water Conservation Vol. 28, Issue 1, Pages: 32-35(2009)
- 作者机构：
  
  1. 陕西师范大学旅游与环境学院,陕西,西安,710062
  2. 中国科学院地球环境研究所黄土与第四纪地质国家重点实验室,陕西,西安,710075
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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ZHANG Cai-yun, PANG Jiang-li, SHEN Hai-yuan. Assessment on Contents of Heavy Metals and Properties of Apple Orchard Soil with Different Planting Ages in Luochuan County[J]. Bulletin of Soiland Water Conservation, 2009, 28(1): 32-35.
DOI：

ZHANG Cai-yun, PANG Jiang-li, SHEN Hai-yuan. Assessment on Contents of Heavy Metals and Properties of Apple Orchard Soil with Different Planting Ages in Luochuan County[J]. Bulletin of Soiland Water Conservation, 2009, 28(1): 32-35. DOI：

摘要

研究了洛川县20 a与60 a果园土壤基本性质和土壤中的重金属含量

并对土壤环境质量进行了评价。结果表明

洛川县20 a与60 a果园土壤为壤土

CaCO

含量最大值为141.71mg/kg

土壤TOC平均含量大于1.26%

土壤pH值在7.95-8.62之间

土壤特征基本满足苹果生长的要求。20 a与60 a果园土壤重金属含量均略大于其背景值

砷的最大平均含量值为14.4mg/kg

铬为84.4mg/kg

铜为31.7mg/kg

铅为24.8mg/kg

镍为33.1mg/kg

锌为144.5mg/kg

但两果园土壤环境指标的单项污染指数均小于1

综合污染指数小于0.7

土壤环境质量为清洁。

Abstract

Soil properties and the contents of its heavy metals in the 20 and 60 age apple orchards of Luochuan County were studied and its environment quality was evaluated.Results show that all the soil samples collected from the orchards were loamy soil with the maximum content of CaCO3 being 141.71 g/kg

the average content of organic matter being more than 1.26%

and pH value being 7.95~8.62.The soil basically meets the requirements of green apple production.The contents of soil heavy metals in the orchards were higher than its background values.The maximum average content of As was 14.4mg/kg;Cr

84.4mg/kg;Cu

31.7mg/kg;Pb

24.8mg/kg;Ni

33.1mg/kg

and Zn

144.5mg/kg.However

single-factor indices of all the soil samples were below 1 and synthetic pollution indices of soil heavy metals were below 0.7.Soil environment quality in the orchards of Luochuan County is evaluated to be good

reaching the "clean" level.

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