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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(1): 874-890
DOI: https://doi.org/10.20546/ijcmas.2019.801.095


Biochemical Changes of Mycorrhiza Inoculated and Uninoculated Soils under Differential Zn and P Fertilization
Chandrasekaran Bharathi1, Natarajan Balakrishnan2 and Kizhaeral S. Subramanian2
1Department of Soil Science and Agricultural Chemistry
2Department of Nano Science and Technology, Tamil Nadu Agricultural University, Coimbatore 641 003, India
*Corresponding author
Abstract:

Greenhouse experiment was conducted to assess the soil biochemical change patterns in soils of arbuscular mycorrhizal fungus (AMF)-inoculated and uninoculated maize plants fertilized with varying levels of P and Zn. Soil samples were collected for mycorrhizal spores, microbial communities, available micronutrients and phosphorus (P) contents besides organic and biomass carbon (BMC), soil enzymes and glomalin. Major portion of Fe and Zn fractionations was found to occur in the residual form. AM symbiosis significantly modulated the microbial communities in the soil regardless of low or high P concentration. The results showed that mycorrhizae had pronounced influence on increasing bacterial population, while less effect was found in the case of fungi and actinomycetes activity in the soil. The positive interaction between P and Zn in mycorrhizae treated soil resulted in enhanced growth especially root and nutrient uptake. Soil enzymes, viz. dehydrogenase and acid phosphatase activities in M+ soils, were significantly higher than M− soil consistently. Overall, the data suggest that mycorrhizal symbiosis enhanced the availability of P and Zn as a result of preferential nutrient uptake and biochemical changes that may alleviate micronutrient deficiencies in soil.


Keywords: Arbuscular mycorrhizae, Soil enzymes, Nutrient status Biomass carbon, Glomalin
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How to cite this article:

Chandrasekaran Bharathi, Natarajan Balakrishnan and Kizhaeral S. Subramanian. 2019. Biochemical Changes of Mycorrhiza Inoculated and Uninoculated Soils under Differential Zn and P Fertilization.Int.J.Curr.Microbiol.App.Sci. 8(1): 874-890. doi: https://doi.org/10.20546/ijcmas.2019.801.095