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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(10): 1592-1599
DOI: https://doi.org/10.20546/ijcmas.2020.910.188


Effect of Bio-fertilizers and Organic Amendments on Nutrient Uptake
and Soil Microbial Population of Pummelo Seedlings (Citrus maxima L) under Nursery Condition
Aziz Fayaz, S. V. Patil*, G. S. K. Swamy, T. H. Shankarappa and B. R. Premalatha
College of Horticulture, UHS campus, GKVK, Bengaluru-560 065, Karnataka, India
*Corresponding author
Abstract:

 An experimental was carried out at Regional Horticultural Research and Extension Centre (RHREC), University of Horticultural sciences campus, GKVK, post Bangaluru-560065, during the year 2019 – 20). The nursery was established in potting mixture; sand, soil and farm yard manure in the ratio of 2:1:1 (Sand: Soil: FYM;) taken in polythene bags of size 12 cm x 24 cm. Applied with bio-fertilizers such as Azospirillum spp., Phosphorus solubilizing bacteria (PSB), Pseudomonas flourescens and Vesicular Arbuscular Mycorrhiza (VAM)@ 6 g per plant soil based bio-fertilizers. Organic amendments such as Panchagavya, Jeevamrutha, Beejamrutha and bio-digested liquid were tested at 5 and 10 per cent (applied through foliar application at 30 days interval). A total of nine treatments were tested in four replications. The results at the end of 120 days showed that the combination of four bio-fertilizers; Azospirillum, Phosphorus solubilizing bacteria, Pseudomonas flourescensand VAM had highest Nitrogen per plant (0.636 g) (T5). However T3treatment had maximum Phosphorus (0.055 g/plant) and Potassium (0.150 g/plant) with inoculation of Azospirillum + PSB+VAM. The maximum bacterial population (4.40 CFU X 104g-1soil) was found in the treatment Azospirillum spp. + PSB +PF + VAM (T5), followed by T3 (3.75 CFU X 104g-1soil). The highest fungal population (2.60 CFU X 104g-1soil) was noticed in the treatment Azospirillum spp. + PSB) + VAM (T2), followed by T5 (2.55 CFU X 104g-1soil), the minimum NPK and microbial population was recorded in control treatment at the end of 120 days in nursery.


Keywords: Nitrogen, Phosphorus, Potassium, Bio-fertilizers, Organic amendments
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How to cite this article:

Aziz Fayaz, S. V. Patil, G. S. K. Swamy, T. H. Shankarappa and Premalatha, B. R. 2020. Effect of Bio-fertilizers and Organic Amendments on Nutrient Uptake and Soil Microbial Population of Pummelo Seedlings (Citrus maxima L) under Nursery Condition.Int.J.Curr.Microbiol.App.Sci. 9(10): 1592-1599. doi: https://doi.org/10.20546/ijcmas.2020.910.188