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.
Index Copernicus ICI Journals Master List 2022 - IJCMAS--ICV 2022: 95.28 For more details click here
National Academy of Agricultural Sciences (NAAS) : NAAS Score: *5.38 (2020) [Effective from January 1, 2020] For more details click here

Login as a Reviewer

See Guidelines to Authors
Current Issues
Download Publication Certificate

Original Research Articles                      Volume : 8, Issue:8, August, 2019

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.2019.8(8): 2169-2184

Assessment of Spatial Variability of Soil Nutrient Status in Rice Ecosystem Using Nutrient Index in Anaimalai Block, Coimbatore
K. Theresa*, R. Shanmugasundaram and J.S. Kennedy
Department of Soil Science and Agricultural Chemistry, Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore, India
*Corresponding author

Geo referenced soil survey was undertaken in rice growing areas of Anaimalai Block, Coimbatore district of Tamil Nadu. The main aim of this study was to carry out the evaluation of soil fertility and fertilization practices being followed by the rice growing farmers of the selected villages in Anaimalai block. Soil samples were collected from 18 villages with an auger from a depth of 0-15 cm and analyzed for pH, electrical conductivity, organic carbon, available macro and micro nutrients using standard analytical methods. These data were used to spot the range of critical soil available nutrient and the relationships among the soil fertility parameters. Based on the results obtained, soil reaction was neutral to alkaline in nature. Electrical conductivity was found to be in safer limit (<1 dS m-1) and almost 70 per cent of the villages fall under the medium category of soil organic carbon content. Results indicated that 70 percent of the samples are low to medium in available nitrogen; for Olsen P, it was 55 percent in medium status, 25 percent of the samples was under the highest P category (16-22 kg ha-1); and about 80 per cent of the samples were medium in NH4OAc – K. Except Cu, other micronutrients were deficient. From the nutrient index, Cu was above sufficiency range, P and Fe were found to be adequate and the other elements were deficit in soil.

Keywords: Rice, Nutrient index, Macro and micro nutrients, Anaimalai block

Download this article as Download

How to cite this article:

Theresa, K., R. Shanmugasundaram and Kennedy, J.S. 2019. Assessment of Spatial Variability of Soil Nutrient Status in Rice Ecosystem Using Nutrient Index in Anaimalai Block, Coimbatore.Int.J.Curr.Microbiol.App.Sci. 8(8): 2169-2184. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.