富硒农业生产基地土壤硒资源空间分布特征及评价

陈娟; 宋帅; 史雅娟; 徐湘博; 孙宏杰; 吕永龙

doi:10.7524/j.issn.0254-6108.2015.12.2015040302

环境化学

富硒农业生产基地土壤硒资源空间分布特征及评价

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陈娟, 宋帅, 史雅娟, 徐湘博, 孙宏杰, 吕永龙. 富硒农业生产基地土壤硒资源空间分布特征及评价[J]. 环境化学, 2015, 34(12): 2185-2190. doi: 10.7524/j.issn.0254-6108.2015.12.2015040302

引用本文:

CHEN Juan, SONG Shuai, SHI Yajuan, XU Xiangbo, SUN Hongjie, LYU Yonglong. Spatial distribution and assessment of selenium in soils of a Se-enrich agricultural production base[J]. Environmental Chemistry, 2015, 34(12): 2185-2190. doi: 10.7524/j.issn.0254-6108.2015.12.2015040302

Citation:

CHEN Juan, SONG Shuai, SHI Yajuan, XU Xiangbo, SUN Hongjie, LYU Yonglong. Spatial distribution and assessment of selenium in soils of a Se-enrich agricultural production base[J]. Environmental Chemistry, 2015, 34(12): 2185-2190. doi: 10.7524/j.issn.0254-6108.2015.12.2015040302

富硒农业生产基地土壤硒资源空间分布特征及评价

1.
中国科学院生态环境研究中心, 北京, 100085;
2.
山东省淄博市博山区农业综合开发办公室, 淄博, 255200
基金项目:
公益性行业(农业)科研专项(201303106)

国家重点基础性科技专项(2013FY111100)

国家自然科学基金(41271487)资助.

Spatial distribution and assessment of selenium in soils of a Se-enrich agricultural production base

1.
Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China;
2.
Boshan Agricultural Comprehensive Development Office, Zibo City, Zibo, 255200, China
Fund Project:

摘要: 以山东省淄博市博山区作为富硒产业基地的代表,在该区域网格化均匀布点采集表土样品,测定总硒含量,利用GIS技术分析土壤硒的空间分布特征并对其含量水平进行评价,提出富硒产业发展建议,以期为富硒农业发展提供支持.结果表明,博山区土壤全硒含量的范围为0.105-1.460 mg·kg-1,几何均值为0.305 mg·kg-1, 与全国土壤硒元素平均水平(0.29 mg·kg-1)相当.土壤硒元素与地质构造密切相关,与土壤总有机碳、总氮呈极显著相关关系,且表土全硒浓度基本呈现出随海拔升高而降低的趋势.缺硒土壤(含缺硒7%和少硒13%)所占比例为20%,足硒土壤约占55%,富硒土壤所占比例为25%,博山南部农业规划区土壤主要是缺硒和足硒土壤,需添加外源硒肥才能实现发展富硒产业的目标.
- 硒背景值 /
- 硒资源 /
- 富硒农业 /
- 硒含量评价
Abstract: Soil samples were collected from Boshan, Zibo City, a Se-enriched agricultural production base, to determine the contents of Se in soils using Atomic fluorescence spectrometry. Spatial distribution and assessment of Se in soils were analyzed with the aid of GIS, in order to support Se-enriched agriculture in Boshan. The results showed that the total Se contents in soils of Boshan ranged from 0.105 mg·kg-1 to 1.460 mg·kg-1, with a mean of 0.305 mg·kg-1, which was comparable to that of the national level (0.29 mg·kg-1). Se contents in the soils were closely related to geological structure, and decreased with the increase of altitude. Soil Se content was significantly correlated with total organic carbon as well as total nitrogen. The area with a lack of Se (including 7% of the area with a lack of Se, and 13% of the area with low Se content) accounted for 20%, the area with medium Se content accounted for 55%, and Se-rich soil area accounted for 25%. However, agricultural soils in southern Boshan are mainly with medium Se content or a lack of Se, so artificial selenium is needed for Se-enriched agriculture in the region.
- selenium background value /
- selenium resource /
- Se-enriched agriculture /
- assessment of selenium

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Citation:

CHEN Juan, SONG Shuai, SHI Yajuan, XU Xiangbo, SUN Hongjie, LYU Yonglong. Spatial distribution and assessment of selenium in soils of a Se-enrich agricultural production base[J]. Environmental Chemistry, 2015, 34(12): 2185-2190. doi: 10.7524/j.issn.0254-6108.2015.12.2015040302

富硒农业生产基地土壤硒资源空间分布特征及评价

1. 中国科学院生态环境研究中心, 北京, 100085;
2. 山东省淄博市博山区农业综合开发办公室, 淄博, 255200

收稿日期: 2015-04-03

基金项目:

公益性行业(农业)科研专项(201303106)

国家重点基础性科技专项(2013FY111100)

国家自然科学基金(41271487)资助.

关键词:

摘要: 以山东省淄博市博山区作为富硒产业基地的代表,在该区域网格化均匀布点采集表土样品,测定总硒含量,利用GIS技术分析土壤硒的空间分布特征并对其含量水平进行评价,提出富硒产业发展建议,以期为富硒农业发展提供支持.结果表明,博山区土壤全硒含量的范围为0.105-1.460 mg·kg-1,几何均值为0.305 mg·kg-1, 与全国土壤硒元素平均水平(0.29 mg·kg-1)相当.土壤硒元素与地质构造密切相关,与土壤总有机碳、总氮呈极显著相关关系,且表土全硒浓度基本呈现出随海拔升高而降低的趋势.缺硒土壤(含缺硒7%和少硒13%)所占比例为20%,足硒土壤约占55%,富硒土壤所占比例为25%,博山南部农业规划区土壤主要是缺硒和足硒土壤,需添加外源硒肥才能实现发展富硒产业的目标.

English Abstract

Spatial distribution and assessment of selenium in soils of a Se-enrich agricultural production base

1. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China;
2. Boshan Agricultural Comprehensive Development Office, Zibo City, Zibo, 255200, China

Received Date: 2015-04-03

Fund Project:

Keywords:

Abstract: Soil samples were collected from Boshan, Zibo City, a Se-enriched agricultural production base, to determine the contents of Se in soils using Atomic fluorescence spectrometry. Spatial distribution and assessment of Se in soils were analyzed with the aid of GIS, in order to support Se-enriched agriculture in Boshan. The results showed that the total Se contents in soils of Boshan ranged from 0.105 mg·kg-1 to 1.460 mg·kg-1, with a mean of 0.305 mg·kg-1, which was comparable to that of the national level (0.29 mg·kg-1). Se contents in the soils were closely related to geological structure, and decreased with the increase of altitude. Soil Se content was significantly correlated with total organic carbon as well as total nitrogen. The area with a lack of Se (including 7% of the area with a lack of Se, and 13% of the area with low Se content) accounted for 20%, the area with medium Se content accounted for 55%, and Se-rich soil area accounted for 25%. However, agricultural soils in southern Boshan are mainly with medium Se content or a lack of Se, so artificial selenium is needed for Se-enriched agriculture in the region.

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富硒农业生产基地土壤硒资源空间分布特征及评价

Spatial distribution and assessment of selenium in soils of a Se-enrich agricultural production base

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富硒农业生产基地土壤硒资源空间分布特征及评价

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Spatial distribution and assessment of selenium in soils of a Se-enrich agricultural production base

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