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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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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.2018.7(10): 3214-3224
DOI: https://doi.org/10.20546/ijcmas.2018.710.373


Soil Site Suitability Evaluation of Crops for Dorika Watershed of Assam
Arunima Gogoi1, M.C. Talukdar2, A. Basumatary2, U. Baruah3 and J. Deka2
1Citrus Research Station, Assam Agricultural University, Tinsukia-786125, Assam, India
2Department of Soil Science, Assam Agricultural University, Jorhat-785013, India
3Regional centre NBSS & LUP (ICAR), Jorhat, India
*Corresponding author
Abstract:

The present study was undertaken to prepare land use plan for Dorika watershed of Sivasagar District in Assam based on soil site suitability evaluation of crops. The area coverage of this watershed comprises between 26048׳ to 27003׳ N latitude and 94027׳to 94052׳ E longitude. The watershed boundaries were delineated based on Survey of India toposheet (1:50,000) no. 83J/13, 83J/9, 83I/12 and I/8 and. R2 L4 MX Remote sensing data. Generally, the soils under this watershed were found to be strongly acidic, high organic carbon content, low in CEC, medium to high base saturation and texture varies from coarse to fine texture. Soil pH, Drainage and nutrient constraints were the limiting factors for potential utilization of the land resources. Soil site suitability of crops was evaluated for crops such as rice, mustard, potato, tea etc. Several crops are recommended depending on their suitability for the post rainy season in the soils which are kept fallow in the present land use system. Rice is the main crop under this watershed and cultivated during the rainy season due to imperfect drainage though the soils are moderately and marginally suitable. In present study, it was observed that low precipitation in early crop growth stage or growing cycle during rabi crops is one of the major constraints. To deal with such situations or dry spells, for cultivation of rabi crops, it becomes necessary to harvest rainwater in water harvesting structures for life saving or supplementary irrigation. So, harvesting or storing of rainwater appears to be an alternative proposition. Results of this study revealed that the study area under rice fallow cropping system could be modified into double cropping system with the use of proper fertility management and life saving irrigation.


Keywords: Soil site suitability evaluation, Watershed, Water harvesting structure
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How to cite this article:

Arunima Gogoi, M.C. Talukdar, A. Basumatary, U. Baruah and Deka, J. 2018. Soil Site Suitability Evaluation of Crops for Dorika Watershed of Assam.Int.J.Curr.Microbiol.App.Sci. 7(10): 3214-3224. doi: https://doi.org/10.20546/ijcmas.2018.710.373