Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1007/s13762-013-0350-9 |
Heavy metals concentration in soils under rainfed agro-ecosystems and their relationship with soil properties and management practices | |
Srinivasarao, Ch1; Gayatri, S. Rama2; Venkateswarlu, B.1; Jakkula, V. S.1; Wani, S. P.2; Kundu, S.1; Sahrawat, K. L.2; Rao, B. K. Rajasekhara3; Marimuthu, S.4; Krishna, G. Gopala1 | |
通讯作者 | Srinivasarao, Ch |
来源期刊 | INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY
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ISSN | 1735-1472 |
EISSN | 1735-2630 |
出版年 | 2014 |
卷号 | 11期号:7页码:1959-1972 |
英文摘要 | Heavy metals are governed by parent material of soils and influenced by the soil physicochemical properties and soil and crop management practices. This paper evaluates total heavy metal concentrations in rainfed soils under diverse management practices of tropical India. Vertisols (clayey soils with high shrink/swell capacity) had the highest concentrations of heavy metals. However, chromium (Cr) content was above the threshold value in Aridisol [calcium carbonate (CaCO3)]-containing soils of the arid environments with subsurface horizon development. Concentration increased at lower depths (> 30 cm). Basaltic soils showed higher concentrations of nickel (Ni), copper (Cu) and manganese (Mn). Cadmium (Cd), cobalt (Co), Cu and Mn concentrations were higher in soils cultivated to cotton, whereas Cr concentration was above the threshold level of 110 mg kg(-1) in food crop cultivated soils. As the specific soil surface is closely related to clay content and clay type, soil’s ability to retain heavy metals is more closely tied to the specific surface than to the soil cation exchange capacity. Higher positive correlations were found between heavy metal concentrations and clay content [Cd(r = 0.85; p a parts per thousand currency sign 0.01); Co (r = 0.88; p a parts per thousand currency sign 0.05); Ni (r = 0.87; p a parts per thousand currency sign 0.01); Co (r = 0.81; p a parts per thousand currency sign 0.05); Zn (r = 0.49; p a parts per thousand currency sign 0.01); Cr (r = 0.80; p a parts per thousand currency sign 0.05); Mn (r = 0.79; p a parts per thousand currency sign 0.01)]. The amounts of nitrogen-phosphorus-potassium applied showed a positive correlation with Co and Ni (r = 0.62; p a parts per thousand currency sign 0.05). As several soils used for growing food crops are high in Ni, Cr and Mn, the flow of these metals in soil-plant-livestock/human chain needs further attention. |
英文关键词 | Fertilization practices Parent material Tropical climate Vertisols Inceptisols Alfisols Aridisols |
类型 | Article |
语种 | 英语 |
国家 | India ; Papua N Guinea |
收录类别 | SCI-E |
WOS记录号 | WOS:000341813900017 |
WOS关键词 | AGRICULTURAL SOILS ; INDUSTRIAL-AREA ; ORGANIC-MATTER ; FLY-ASH ; CONTAMINATION ; CADMIUM ; FERTILIZATION ; POLLUTION ; HAZARDS ; SYSTEMS |
WOS类目 | Environmental Sciences |
WOS研究方向 | Environmental Sciences & Ecology |
来源机构 | International Crops Research Institute for the Semi-Arid Tropics |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/182724 |
作者单位 | 1.Cent Res Inst Dryland Agr, Hyderabad 500059, Andhra Pradesh, India; 2.Int Crop Res Inst Semiarid Trop ICRISAT, Patancheru 502324, Andhra Pradesh, India; 3.Papua New Guinea Univ Technol, Dept Agr, Lae 411, Morobe Province, Papua N Guinea; 4.Tamil Nadu Agr Univ, Coimbatore 641003, Tamil Nadu, India |
推荐引用方式 GB/T 7714 | Srinivasarao, Ch,Gayatri, S. Rama,Venkateswarlu, B.,et al. Heavy metals concentration in soils under rainfed agro-ecosystems and their relationship with soil properties and management practices[J]. International Crops Research Institute for the Semi-Arid Tropics,2014,11(7):1959-1972. |
APA | Srinivasarao, Ch.,Gayatri, S. Rama.,Venkateswarlu, B..,Jakkula, V. S..,Wani, S. P..,...&Krishna, G. Gopala.(2014).Heavy metals concentration in soils under rainfed agro-ecosystems and their relationship with soil properties and management practices.INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY,11(7),1959-1972. |
MLA | Srinivasarao, Ch,et al."Heavy metals concentration in soils under rainfed agro-ecosystems and their relationship with soil properties and management practices".INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY 11.7(2014):1959-1972. |
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