Effects of free-air CO2 enrichment (FACE) on the uptake and utilization of N, P and K in Vigna radiata
作者： Ping Li , Xue Han , Yuzheng Zong , Hongying Li , Erda Lin
DOI: 10.1016/J.AGEE.2015.01.004
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摘要: Abstract Elevated [CO2] stimulates plant growth, which in turn demands more nutrients to sustain it. The nutrient demand of N-fixing plants may differ from that other under elevated [CO2]. We conducted an experiment determine how affected N, P and K content, assimilation accumulation metabolites the legume mung bean [Vigna radiata L.]. investigated effect 550 ± 19 μmol mol−1 on P, uptake utilization by at free-air carbon dioxide enrichment (FACE) experimental facility north China. At maturity, N concentration whole decreased 4.4%, but was unchanged weight nodules per significantly increased K-use efficiency for seed ratio yield cumulative absorption unaffected. These results indicate mechanisms governing metabolism different K. dynamics between elements overall biomass soil pool could, therefore, be changed future
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