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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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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 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
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.2017.6(10): 349-357
DOI: https://doi.org/10.20546/ijcmas.2017.610.043


Soil Aggregation, Carbon and Nitrogen Stabilization in Relation to Application of Different Soil Organic Amendments in Aerobically Grown Basmati Rice and their Residual Effect on the Productivity of Wheat in Rice–Wheat System under Shiwalik Foothills of Jammu and Kashmir, India
I.A. Shah1*, B.C. Sharma1, A. Saamanta2, Brij Nandan1, Akhil Verma1, Monika Banotra1 and Rakesh Kumar1
1Division of Agronomy, Sher-e-Kashmir University of Agricultural Sciences and Technology-Jammu, Chatha, Jammu and Kashmir – 180009, India
2Irrigation Water Management (SKUAST-J), Jammu and Kashmir, India
*Corresponding author
Abstract:

Sustainability of the rice–wheat rotation is important to Asia’s food security. Intensive cropping with no return of organic materials results in loss of soil organic matter and is not sustainable. We studied the impact of application of green manure crop like dhaincha (Sesbania aculeata), vermicompost and farmyard manure (FYM) in conjunction with inorganic fertilizers on aggregate stability, distribution of organic carbon (C), available nitrogen (N) and productivity of succeeding wheat in aerobically grown basmati rice in rice–wheat cropping on a sandy loam soil. Macroaggregates (0.25 mm) constituted 20–30% of total water stable aggregates (WSA) and were linearly related (R2 = 0.69) to soil organic carbon content. The incorporation of dhaincha and FYM significantly improved the formation of macroaggregates with a simultaneous decrease in the proportion of microaggregates at all the sampling depths (0–5, 5-10 and 10–15 cm). Macroaggregates had higher C and N density as compared to microaggregates and the improvement was greatest in plots that received both dhaincha and FYM each year this will help in sustainable rice – wheat productivity in the region.


Keywords: Aerobic rice, Organic amendments, Productivity, Rice–wheat cropping, Water stable aggregates.
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How to cite this article:

Shah, I.A., B.C. Sharma, A. Samanta, Brij Nandan, Akhil Verma, Monika Banotra and Rakesh Kumar. 2017. Soil Aggregation, Carbon and Nitrogen Stabilization in Relation to Application of Different Soil Organic Amendments in Aerobically Grown Basmati Rice and their Residual Effect on the Productivity of Wheat in Rice–Wheat System under Shiwalik Foothills of Jammu and Kashmir, India.Int.J.Curr.Microbiol.App.Sci. 6(10): 349-357. doi: https://doi.org/10.20546/ijcmas.2017.610.043