International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 6, Issue:9, September, 2017

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

Int.J.Curr.Microbiol.App.Sci.2017.6(9): 3777-3783

Effect of Integrated Nutrient Management in Rice on Nitrogen Availability, L-asparaginase and L-glutaminase Activity in Acidic Soil
Abhik Patra1, V. K. Sharma1*, T. J. Purakayastha1, Mandira Barman1, Sarvendra Kumar1, D. Chakraborty2, Kapil A. Chobhe1 and D. J. Nath3
1Division of Soil Science and Agricultural Chemistry, ICAR-Indian Agricultural Research Institute, New Delhi-110 012, India
2Division of Agricultural Physics, ICAR-IARI, New Delhi 110 012, India
3Department of Soil Science, Assam Agricultural University (AAU), Jorhat, 785 013, Assam, India
*Corresponding author

Long term field experiment on rice commenced in kharif 2006 at Instructional-cum-Research (ICR) farm of the Assam Agricultural University, Jorhat with integrated nutrient management (INM) treatments for assessing its impact on soil properties and microbial activities in acidic soils. The treatments consisted of T1; absolute control, T2;100% recommended doses (RD) of inorganic NPK, T3; 50% RD of inorganic NP + 100% K + biofertilizers, T4; 50% RD of inorganic NP + 100% K + 1 tonne enriched compost ha-1 and T5; 25% RD of inorganic NP + 100% K + 2 tonnes enriched compost ha-1. Results indicated that after 10 years of experiment, INM treatments with enriched compost as well as biofertilizers had pronounced influence on improving available nitrogen status as well as microbial enzymatic activity as compared to inorganic treatment under acid soil.

Keywords: Acid soil, L-asparaginase activity, L-glutaminase activity, Long term INM, Rice

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Abhik Patra, V. K. Sharma, T. J. Purakayastha, Mandira Barman, Sarvendra Kumar, D. Chakraborty, Kapil A. Chobhe and Nath D. J. 2017. Effect of Integrated Nutrient Management in Rice on Nitrogen Availability, L-asparaginase and L-glutaminase Activity in Acidic Soil.Int.J.Curr.Microbiol.App.Sci. 6(9): 3777-3783. doi:
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