期刊
BIOLOGY AND FERTILITY OF SOILS
卷 45, 期 6, 页码 675-678出版社
SPRINGER
DOI: 10.1007/s00374-009-0379-6
关键词
Arbuscular mycorrhizal fungi; Astragalus sinicus L; Lanthanum; Nutrient uptake
类别
资金
- National Natural Science Foundation of China [30270051]
- International Cooperation of Hubei Province [2003CA020]
A greenhouse experiment was conducted to study the effect of mycorrhizal colonization by Gigaspora margarita, Glomus intraradices, and Acaulospora laevis on nutrient uptake of K, Ca, Mg, Cu, Zn, Fe, and Mn by Astragalus sinicus L. in soils spiked with lanthanum at five rates (0, 1, 5, 10, and 20 mg kg(-1)). Lanthanum application significantly decreased the concentrations of K, Ca, Mg, Cu, Zn, and Fe in shoots and the concentrations of Cu and Zn in roots. Mycorrhizal treatments markedly improved uptake of nutrients, and these results are important since nutrient deficiency often occurs in contaminated sites.
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