JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2017, Vol. 60 ›› Issue (01): 183-188.doi: 10.3969/j.issn.1000-2006.2017.01.028

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Review of nutrient resorption and its regulating in plants

JIANG Dalong, XU Xia*, RUAN Honghua*   

  1. Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037,China
  • Online:2017-02-18 Published:2017-02-18

Abstract: 【Objective】Nutrient Resorption(NR)is an important essential processes of plant nutrient cycling. It means that the nutrients are resorbed during plant senescence and then conserved or reused for future plant growth. The overall understanding of the patterns and controlling factors of NR is important for improving the modeling of plant nutrient cycling. 【Method】By collecting published literatures, we explored how different that life forms, stand ages, and abiotic factors(including climate and soil fertility)affect plant’s NR. 【Result】①While non-woody plants exhibited enhancing plasticity in their expression of nutrient resorption along soil fertility gradients, and NR in woody plants was typically lower than in non-woody plants in senescing stems and roots. Evergreen species had lower NR than that in deciduous plants. ② Young stands had relatively higher nitrogen resorption efficiency(NRE(N)), while old stands resorbed more phosphorus(P). ③ In general, phosphorus resorption efficiency(NRE(P))increased and nitrogen resorption efficiency(NRE(N))decreased with increasing temperature and precipitation. ④ Extreme climate events such as droughts, floods, and hurricanes significantly influenced NR. ⑤ Increasing soil fertility tended to lower NR. In comparison to foliage, NR in stems and roots of woody plants was less studied. Additionally, we have limited knowledge on plants’ resorption of minor elements compared with nitrogen(N)and phosphorus(P). Moreover, the number of studies on energy consumption during NR and the impacts of long-term climate change on NR is lack of study. 【Conclusion】NR is one of the essential processes of plant nutrient cycling. A better understanding of NR could contribute to the development of the global climate change models and accurate projection of future climate.

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