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Potential of Vetiver (Chrysopogon zizanioides L.), Inoculated With Arbuscular Mycorrhizal Fungi, To Improve Soil Quality in Degraded Soil


Paper Type 
Contributed Paper
Title 
Potential of Vetiver (Chrysopogon zizanioides L.), Inoculated With Arbuscular Mycorrhizal Fungi, To Improve Soil Quality in Degraded Soil
Author 
Dinuka Lakmali, Samantha C. Karunarathna, Lucas A.P. Dauner and Neelamanie Yapa
Email 
pnyapa40@yahoo.co.uk; neelamanie@as.rjt.ac.lk
Abstract:

Alterations of healthy soil properties can result from land degradation. However, application of some grass species that are colonized with arbuscular mycorrhizal fungi (AMF), such as vetiver (Chrysopogon zizanioides L.), can mitigate the negative impacts of soil degradation. The present study evaluated the ability of AMF-colonized vetiver to improve the quality of degraded soil in pine and tea plantations, as well as in adjacent secondary forest. Applications of organic manure and biochar were also tested in conjunction with AMF to examine their comparative effects on soil rehabilitation. The different treatments were significantly different (p ≤ 0.05) in their effects on soil pH, soil microbial activity, bacterial count, fungal count, and percentage of AMF colonization. Vetiver application, with and without the additional soil amendments, improved the degraded chemical and biological soil properties to comparative levels with the healthy soil of a nearby mountain region. Therefore, vetiver application, with the added AMF, biochar, and organic manure, can be effectively used in soil quality amelioration.

Start & End Page 
1247 - 1258
Received Date 
2021-03-21
Revised Date 
2021-05-06
Accepted Date 
2021-05-17
Full Text 
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Correspondence & Author Name 
Keyword 
arbuscular mycorrhizal fungi, Chrysopogon zizanioides L., pine plantation, soil degradation, soil quality improvement
Volume 
Vol.48 No.5 (September 2021)
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Chiang Mai Journal of Science

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