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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 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(3): 312-322
DOI: https://doi.org/10.20546/ijcmas.2018.703.037


Influence of Conservation Agriculture Practices on Biological Soil Quality
B.T. Naveen Kumar* and H.B. Babalad
Department of Agronomy, College of Sericulture, UAS, Karnataka – 563125, India
*Corresponding author
Abstract:

Field experiments were carried out during 2014-15 and 2015-16 to know the effect of different tillage practices and cropping systems on biological quality of soils under rainfed situations. The pooled data reveled that, conservation tillage with broad bed and furrow (BBF) and crop residues incorporation (CT2), conservation tillage with BBF and crop residues retained on the surface (CT1), conservation tillage with flatbed with incorporation of crop residues (CT4) and conservation tillage with flatbed with crop residues retained on the surface (CT3) significantly increased soil urease activity (11.66, 11.41, 11.28 and 10.99 µg NH4-N g-1 day-1, respectively), soil dehydrogenase activity (32.02, 31.64, 31.49 and 30.92 µg TPF g-1 day-1, respectively) and total phosphatase activity (174.29, 172.44, 171.31 and 166.99 µg PNP g-1hr-1, respectively)over conventional tillage with incorporation of crop residues (CT5, 10.87µg NH4-N g-1 day-1, 28.92 µg TPF g-1 day-1 and 160.77 µg PNP g-1hr-1, respectively) and conventional tillage without crop residues (CT6,10.10 µg NH4-N g-1 day-1, 26.35 µg TPF g-1 day-1 and 149.79 µg PNP g-1hr-1, respectively). Similarly, all the tillage practices viz., CT1, CT2, CT3, CT4 and CT5 recorded significantly higher microbial biomass carbon (335.90, 328.76, 302.40, 333.84 and 293.95 mg kg soil-1, respectively) and nitrogen (14.12, 13.69, 12.59, 13.90 and 12.24 mg kg soil-1, respectively) over CT6 (260.64 and 10.83 mg kg soil-1, respectively).


Keywords: Conservation tillage, Conventional tillage, Enzyme activity, Microbial biomass carbon, Microbial biomass nitrogen
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How to cite this article:

Naveen Kumar, B.T. and Babalad, H.B. 2018. Influence of Conservation Agriculture Practices on Biological Soil Quality.Int.J.Curr.Microbiol.App.Sci. 7(3): 312-322. doi: https://doi.org/10.20546/ijcmas.2018.703.037