首页|花棒根际土壤微生物研究

花棒根际土壤微生物研究

扫码查看
在花棒林内,对不同林龄(5a、10a、20a)、不同深度的根际与非根际微生物的种类、数量进行了研究,结果表明有明显差异:在数量方面细菌占绝对优势(52.92%),放线菌次之(33.33%),真菌最少(13.75%)。在种类方面根际微生物的种类大于非根际。不同深度的土壤微生物数量也存在一定差异;变化为:细菌为0~10cm〉20~30cm〉10~20cm〉30~40cm;真菌为0~10cm〉10~20cm〉20~30cm〉30~40cm;放线菌为0~10cm〉30~40cm〉10~20cm〉20~30cm。随着林龄的增加细菌数量减少;真菌数量呈上升趋势;放线菌表现为5a和10a大致相当,20a最少。
Rhizosphere soil microflora of Hedysarum scoparium
The rhizospheric non-rhizospheric microorganism of Hedysarum scoparium with different ages(5a,10a,20a) and soil depths were researched.The population and the quantity of them demonstrate conspicuous differences.The quantity of bacteria is the most(52.92%) and that of fungi is the least(13.75%),the quantity of actinomycete is medium(33.33%).The species of rhizospheric microorganism is more than that of non-rhizospheric microorganism.There is a certain difference on the population and the quantity of soil microorganism with various depths.In sequence of microorganism quantity from high to low,the soil depth about bacteria is 0~10cm,20~30cm,10~20cm,30~40cm,the depth about fungi is 0~10cm,10~20cm,20~30cm,30~40cm,and the depth about actinomycete is 0~10cm,30~40cm,10~20cm,20~30cm.With increasing of Hedysarum scoparium age,the quantity of bacteria decreases while the quantity of fungi grows.The actinomycete of 5a-aged Hedysarum scoparium approximately equal with that of 10a-aged Hedysarum scoparium in quantity,and the actinomycete of 20a-aged Hedysarum scoparium is the least.

Hedysarum scopariumrhizosphere soilmicrobiology

韩艳洁、李全基、袁秀英、姜海燕

展开 >

内蒙古农业大学,呼和浩特010019

内蒙古大青山国家级自然保护区管理局,呼和浩特010019

花棒 根际土壤 微生物

林业公益性行业科技专项

200804027-03

2012

干旱区资源与环境
中国自然资源学会干旱半干旱地区研究委员会 内蒙古农业大学

干旱区资源与环境

CSCDCHSSCD北大核心
影响因子:1.492
ISSN:1003-7578
年,卷(期):2012.26(3)
  • 6