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Eco-stoichiometric Characteristics-of N and P Elemeuts of Main Herbaceous Plants in Larix Principis-rupprechtii Mayr.Plantation —A Case Study in the North of Yanshan Mountain

  • Han XIE ,
  • Yifeng WAN ,
  • Hongna CUI ,
  • Yan ZHENG ,
  • Yanlong JIA
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  • College of Forestry,Hebei Agricultural University,Baoding,Hebei 071000,China

Received date: 2020-06-29

  Revised date: 2020-07-10

  Online published: 2020-10-10

Abstract

Nitrogen(N) and phosphorus(P) elements are basic elements needed by organisms and ecosystems.Through the determination and comparative study on the contents of N and P in various organs of 22 main herbaceous plants in Larix principis-rupprechtii Mayr.plantation,it is concluded that:1)The content of N in whole plants of this region ranged from 18.10 to 42.87 mg/g,and the content of P was in the range of 1.87 to 4.92 mg/g.The content of N in organs of Astragalus was the highest and the content of P in leaves and stems of mustards was the highest.The N:P value of a whole plant ranged from 6.26 to 18.95.Except that the N:P value of nerba violue plant was more than 16,the N:P values of other plants were less than 14;2) The contents of N and P elements in leaves of herbaceous plants are significantly higher than those in stems and roots,and the elements in aboveground part is more than those in the underground part;3) Among the five families,the leguminous family had the highest content of N,the umbrella family had the highest content of P,and the N:P values of all the five families were less than 14.

Cite this article

Han XIE , Yifeng WAN , Hongna CUI , Yan ZHENG , Yanlong JIA . Eco-stoichiometric Characteristics-of N and P Elemeuts of Main Herbaceous Plants in Larix Principis-rupprechtii Mayr.Plantation —A Case Study in the North of Yanshan Mountain[J]. Forest and Grassland Resources Research, 2020 , 0(4) : 58 -65 . DOI: 10.13466/j.cnki.lyzygl.2020.04.009

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