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Genotypic difference of nitrogen recycling between root and shoot of maize seedlings

Li Yanting, Mi Guohua, Chen Fanjun, Lao Xiurong, Zhang Fusuo

Department of Plant Nutrition,China Agricultural University.Beijing 100094；China

Abstract

Nitrogen (N) recycling between root and shoot in maize seedling was investigated by using two inbred lines (YY1 and Z31) under two N levels, normal N supply (HN, 0.15 g N/kg soil) and low N supply (LN, 0.038 g N/kg soil) in a pot experiment. N recycling diagrams were established by using the method of Amstrong and Kirkby (1979).

Key words: Maize(Zea mays L.);N recycling;low N supply;Genotypic difference

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Citing This Article：

Li Yanting, Mi Guohua, Chen Fanjun, Lao Xiurong, Zhang Fusuo. Genotypic difference of nitrogen recycling between root and shoot of maize seedlings. Acta Physiol Sin 2001; 53 (3): (in Chinese with English abstract).