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Forest and Grassland Resources Research >

2020 , Vol. 0 >Issue 6: 128 - 134

DOI: https://doi.org/10.13466/j.cnki.lyzygl.2020.06.021

Scientific Research

Effects of Biochar on Seed Germination and Seedling Growth of Betula platyphylla

  • Xinghui WU ,
  • Baoling SU ,
  • Lin QI ,
  • Yan WANG ,
  • Yue MA ,
  • Li ZHOU
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  • 1. Shenyang University,College of life sciences and engineering,Shenyang,110044,China
    2. Key Laboratory of forest ecology and management,Shenyang Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang,110016,China

Received date: 2020-09-15

  Revised date: 2020-10-22

  Online published: 2021-01-26

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Abstract

Forest fire cause a large number of biochar input into the soil,change the soil physical and chemical properties and nutrient cycling and then affect postfire regeneration and succession.Betula platyphylla is a pioneer tree species in post fire succession in Daxing'anling Mountains.The succession process and community dynamics of coniferous forest in North China are closely related to soil biochar.In this paper,the effects of different types of biochar (larch leaf biochar,larch trunk biochar and moss biochar) on soil water loss and soil pH,and seed germination and seedling growth of Betula platyphylla were studied by pot experiment.Negative effect of biochar on seed germination was observed,in which larch leaf derived biochar had the greatest negative effect,moss derived biochar had the least negative effect on seed germination (larch leaf derived biochar:0.5%,moss derived biochar:1.17%);Positive effect of biochar on seedling growth was observed.Biochar addition significantly increased seedling height,especially the height of seedlings grow in moss derived biochar amended soil.In addition,biochar increased the soil water holding capacity,reduced the water loss rate,which further influenced the seed germination rate and seedling growth of Betula platyphylla.

Key words： biochar; seed survival; seedling growth; Betula platyphylla; soil moisture content

Cite this article

Xinghui WU , Baoling SU , Lin QI , Yan WANG , Yue MA , Li ZHOU . Effects of Biochar on Seed Germination and Seedling Growth of Betula platyphylla[J]. Forest and Grassland Resources Research, 2020 , 0(6) : 128 -134 . DOI: 10.13466/j.cnki.lyzygl.2020.06.021

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