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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
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
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(6): 1590-1597
DOI: https://doi.org/10.20546/ijcmas.2019.806.191


Status of DTPA-Extractable Cationic Micronutrients and Physio Chemical Properties of Geo Referenced Soils Under Irrigated and Rainfed Ecosystems of Vellore District in Tamilnadu, India
Purma Soniya*, D. Muthumanickam, M.R. Reshma and N. Jayasoorian
Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, India
*Corresponding author
Abstract:

The DTPA extractable cationic micronutrient and some important soil physico-chemical properties were investigated in two ecosystems namely irrigated and rainfed conditions of Vellore district of Tamil Nadu using GPS and GIS techniques. Considering the critical limits of soil micronutrients, all soil associations were not adequately supplied with DTPA extractable micronutrients in both the ecosystems. Irrespective of land use, the DTPA extractable cationic micronutrients were positively related with organic carbon content and negatively related to calcium carbonate content. The soils under rainfed condition possessed lesser values of all the nutrient availability than irrigated soil environment except for zinc which nutrient content is equal. Deficient soil samples for manganese and copper were found in some blocks under irrigated conditions and all the blocks for zinc deficiency except Gudiyattam block and for iron deficiency none of the block is deficient. In rainfed ecosystem, iron and manganese deficiency is noticed in some blocks and zinc deficiency in all the blocks and copper deficiency is seen in all the blocks except Alangayan block.


Keywords: DTPA – extractable micronutrients, Soil physical and chemical properties, Irrigated ecosystem, rainfed ecosystem, GIS (Geographical Information System), GPS (Geographical positioning System)
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How to cite this article:

Purma Soniya, D. Muthumanickam, M.R. Reshma and Jayasoorian, N. 2019. Status of DTPA-Extractable Cationic Micronutrients and Physio Chemical Properties of Geo Referenced Soils Under Irrigated and Rainfed Ecosystems of Vellore District in Tamilnadu, India.Int.J.Curr.Microbiol.App.Sci. 8(6): 1590-1597. doi: https://doi.org/10.20546/ijcmas.2019.806.191