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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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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.2018.7(1): 479-490
DOI: https://doi.org/10.20546/ijcmas.2018.701.057


Enzyme Activities and Nutrient Status in Soil under Ber (Ziziphus mauritiana L.) Plants in Semi-Arid Region of Punjab, India
B.K. Yadav* and Navjot Gupta
Punjab Agricultural University, Regional Station, Bathinda-151001, Punjab, India
*Corresponding author
Abstract:

The present study was aimed to evaluate the enzyme activities and nutrient status of ber orchard in semi-arid region of Punjab. Surface (0-15cm) soils showed 11.3% and 26.0% higher DHA as compared to subsurface (15-30 cm) and (30-60cm) layers, respectively. Like DHA, surface (0-15cm) soils showed 10.5% and 25.0% higher acid phosphatase as compared to subsurface (15-30 cm) and (30-60 cm) soils, respectively. Whereas, in surface soils (0-15 cm) 16.6 % and 20.7% higher alkaline- phosphatase was reported as compared to subsurface soils (15-30 cm) and (30-60 cm), respectively. On an average, pH ranged from 7.64 to 8.45 with mean value of 8.1 in surface (0-15cm) soils. However, it varies from 7.87 to 8.65 with mean value of 8.3 in upper subsurface (15-30 cm) and from 7.86 to 8.78 with mean value of 8.4 in lower subsurface (30-60 cm) soils. The EC varies from 0.25-0.59 dSm-1 in surface (0-15 cm) with mean value of 0.35 dSm-1, 0.21-0.47 dSm-1 in sub-surface soils (15-30 cm) with mean value of 0.31dSm-1 and 0.20-0.38 dSm-1 in sub-surface (30-60 cm) soils with mean value of 0.26 dSm-1. In surface soils the CaCO3 varies from 1.02 to 2.11% with mean value 1.57 %. The CaCO3 content increased with increase in depth and observed 1.19 to 3.15 % with mean value 2.21 % in subsurface (15-30 cm) soils, 2.03 to 3.44 % with mean value 2.65 % in subsurface (30-60 cm) soils. The organic carbon content in soil decreased with increase in soil depth and reported 36 % and 51 % low in subsurface soils (15-30cm) and (30-60 cm) as compared to surface soils (0-15 cm). The surface soils (0-15 cm) contains 1.2 and 2.8 times more P compared to subsurface soils (15-30 cm) and (30-60 cm). The K content was decreased with depth, but no deficiencies were reported. The surface soils (0-15 cm) contain 1.3 and 1.8 times more SO4-S compared to subsurface (15-30 cm) and (30-60 cm) soils, respectively. The organic carbon had significantly positive correlation (r = 0. 737*, P< 0.05), (r = 0.570*, P< 0.05), (r = 0.690*, P< 0.05) with dehydrogenase, acid and alkaline phosphatase, respectively. A significant and positive correlation (r = 0.647*, P< 0.05) of available P was recorded with organic carbon. A significant and positive correlation of available K and SO4-S was reported with OC (r = 0. 758*, P< 0.05) and (r = 0. 647*, P< 0.05), respectively. Acid phosphatase showed significant positive correlation (r = 0. 742*, P< 0.05), (r = 0. 634*, P< 0.05) and (r = 0. 692*, P< 0.05) with available soil P, K and S, respectively. Like acid phosphatase, alkaline phosphatase also showed positive correlation (r = 0. 742*, P< 0.05 for available P), (r = 0. 634*, P< 0.05 for available K) and (r = 0. 692*, P< 0.05 for available S).


Keywords: Dehydrogenase, Acid-phosphatase, Alkaline-phosphatase, Soil nutrient, Semi-arid region
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How to cite this article:

Yadav, B.K. and Navjot Gupta. 2018. Enzyme Activities and Nutrient Status in Soil under Ber (Ziziphus mauritiana L.) Plants in Semi-Arid Region of Punjab.Int.J.Curr.Microbiol.App.Sci. 7(1): 479-490. doi: https://doi.org/10.20546/ijcmas.2018.701.057