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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 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(2): 3264-3273
DOI: https://doi.org/10.20546/ijcmas.2019.802.381


Land Resource Inventory and Soil Mapping for Fertility Status of Humnabad Sub-Watershed
C. Thejaswini1, Ashok S. Alur2, M. Shivanna1, S. Anil Kumar1, S.J. Prashanth1, B.N. Dhannanjaya3 and Praveen Kumar B. Naikodi4
1College of Horticulture, Bengaluru- 560 065, Karnataka, India
2University of Horticultural Sciences, Bagalkot -587 104, Karnataka, India
3College of Horticulture, Kolar- 517 247, Karnataka, India

4College of Horticulture, Bidar- 585 401, Karnataka, India
*Corresponding author
Abstract:

Growing population pressure and human activities increases the demand on the limited land resources, both for agricultural and other land uses. To meet this unprecedented demand of land for various pursuits, it is imperative to develop land use plans which can counteract the detrimental effects on environment and at the same time improve productivity of land. The present paper on land resource inventory and soil mapping for fertility status of Humnabad sub-watershed of Humnabad taluk, Bidar district, Karnataka primarily deals with land resource inventory, soil mapping, their problems and potentials. Cadastral map, Google earth images, toposheets and satellite imagery were used as base maps. Detailed survey was carried out through the study area (1:7920). Surface soil samples were collected at regular grid interval of 360 cm. The collected samples were analyzed in lab for determining their fertility status. Thematic maps were generated using aforementioned satellite data coupled with ground truth. Based on all these fertility status of the sub-watershed was determined. The available nitrogen status of the watershed ranged from low to medium. The available phosphorus and potassium ranged from low to medium. The available sulphur status ranged from low to high but most of the area was low to medium. All the micronutrients were sufficient in lateritic soil series while, in basaltic soil series iron and zinc were low.


Keywords: Land resource inventory
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How to cite this article:

Thejaswini C., Ashok S. Alur, M. Shivanna, S. Anil Kumar, S. J. Prashanth, B. N. Dhannanjaya and Praveen Kumar B. Naikodi. 2018. Land Resource Inventory and Soil Mapping for Fertility Status of Humnabad Sub-Watershed.Int.J.Curr.Microbiol.App.Sci. 8(2): 3264-3273. doi: https://doi.org/10.20546/ijcmas.2019.802.381