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	Designing Cropping Systems for Metal-Contaminated Sites: A Review
	Lei M.
	2012
关键词	agronomic practices food safety hyperaccumulator phytoremediation trace element pteris-vittata l. rice oryza-sativa arsenic-hyperaccumulating plant arbuscular mycorrhizal fungi long-term application jatropha-curcas l. chinese brake fern cadmium accumulation heavy-metals thlaspi-caerulescens
英文摘要	Considering that even contaminated soils are a potential resource for agricultural production, it is essential to develop a set of cropping systems to allow a safe and sustainable agriculture on contaminated lands while avoiding any transfer of toxic trace elements to the food chain. In this review, three main strategies, i.e., phytoexclusion, phytostabilization, and phytoextraction, are proposed to establish cropping systems for production of edible and non-edible plants, and for extraction of elements for industrial use. For safe production of food crops, the selection of low-accumulating plants/cultivars and the application of soil amendments are of vital importance. Phytostabilization using non-food energy and fiber plants can provide additional renewable energy sources and economic benefit with minimum cost of agricultural measures. Phytoextracting trace elements (e.g., As, Cd, Ni, and Zn) using hyperaccumulator species is more suitable for slightly and moderately polluted sites, and phytomining of Ni from serpentine soils has shown a great potential to extract Ni-containing bio-ores of economic interests. We conclude that appropriate combinations of soil types, plant species/cultivars, and agronomic practices can restrict trace metal transfer to the food chain and/or extract energy and metals of industrial use and allow safe agricultural activities.
出处	Pedosphere
卷	22
期	4
页	470-488
收录类别	SCI
语种	英语
ISSN号	1002-0160
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/30763]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Lei M.. Designing Cropping Systems for Metal-Contaminated Sites: A Review. 2012.

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