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Forest and Grassland Resources Research >

2024 , Vol. 0 >Issue 2: 59 - 67

DOI: https://doi.org/10.13466/j.cnki.lczyyj.2024.02.008

Scientific Research

Effect of Tending Cutting on Phosphorus Content in Mixed Forest of Vernicia montana and Phoebe bournei in Fujian Province

  • Lingyu ZHENG ,
  • Weihuang LI ,
  • Bingyan XU ,
  • Yingzi WANG ,
  • Tao HONG
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  • 1. College of Forestry,Fujian Agriculture and Forestry University,Fuzhou 350002,China
    2. Key Laboratory of Forest Ecosystem Process and Management in Fujian Province,Fuzhou 350002,China
    3. Nature Protected Area Planning and Development Center in Fuzhou,Fuzhou 350007,China

Received date: 2024-03-19

  Revised date: 2024-04-12

  Online published: 2024-09-02

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Abstract

The disturbance mechanism of phosphorus dynamic structure by tending cutting in the mixed forest of Vernicia montana and Phoebe bournei was clarified,providing a basis for the scientific management of soil phosphorus in this forest.Total phosphorus and available phosphorus content in soil and total phosphorus in branches,leaves,stems and roots of five year old Vernicia montana and Phoebe bournei from Fanqiao State-owned Forest Farm,Nanping,were determined.The impact of tending cutting on phosphorus content in rhizosphere soil and vegetative organs was studied.The results show that:1)Rhizosphere phosphorus enrichment was evident in both Vernicia montana and Phoebe bournei.Total phosphorus and available phosphorus levels in the rhizosphere soil were significantly higher than in non-rhizosphere soil before and after tending cutting(P<0.05).Tending cutting increased total phosphorus and available phosphorus in the rhizosphere soil(P<0.05).At a depth of 0-15 cm,rhizosphere soil phosphorus levels increased with depth for both species.2)Vernicia montana had higher total phosphorus and available phosphorus in rhizosphere soil at different soil depths compared to Phoebe bournei before and after tending cutting.After tending cutting,both total phosphorus content difference and available phosphorus content difference of rhizosphere soil increased at different soil depths of Vernicia montana and Phoebe bournei.The content of total phosphorus in branches,leaves,stems and roots of Vernicia montana and Phoebe bournei were increased by tending cutting.The content of total phosphorus in branches,leaves,stems and roots of Vernicia montana was higher than that of Phoebe bournei before and after tending cutting.3)Correlation analysis showed a significant positive correlation between available phosphorus in rhizosphere soil and total phosphorus in roots and leaves of Vernicia montana and Phoebe bournei(P<0.05),as wll as a significant positive correlation between total phosphorus in roots and total phosphorus in leaves(P<0.05).Tending cutting increased phosphorus content in vegetative organs and rhizosphere soil,with little effect on non-rhizosphere soil phosphorus.It promotes phosphorus activation and absorption in the rhizosphere soil of both.The effect of tending cutting on Vernicia montana was greater than on Phoebe bournei.The Vernicia montana root system is more developed than that of Phoebe bournei,granting it a stronger ability of soil phosphorus activation.

Key words： tending cutting; Vernicia montana; Phoebe bournei; rhizosphere; soil phosphorus

Cite this article

Lingyu ZHENG , Weihuang LI , Bingyan XU , Yingzi WANG , Tao HONG . Effect of Tending Cutting on Phosphorus Content in Mixed Forest of Vernicia montana and Phoebe bournei in Fujian Province[J]. Forest and Grassland Resources Research, 2024 , 0(2) : 59 -67 . DOI: 10.13466/j.cnki.lczyyj.2024.02.008

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