Agroecology for Sustainable Food Security - tnsroindia.org.in

Indian Journal Of Natural Sciences ISSN: 0976 – 0997
Vol1 / Issue 2 / October 2010 © IJONS
Table 1: Ground Water Quality at Arsikere Taluk
Parameters
Pre-monsoon Monsoon BIS 1998
Minimum
Maximum
Mean
SD
Mohammed et al
Table 2: Correlation coefficient calculated in pre-monsoon season at Arsikere Taluk
Minimum
pH EC TDS TH DO BOD T.Alk. Ca Mg CL No3 F
pH 1
-
0.397
-0.389 -0.277
-
0.209
0.138 .678(*) -0.458 -0.036 -0.552 0.124 -0.507
EC 1 .999(**) .848(**)
-
0.108
-0.013 0.143 0.344 .787(**) .831(**) 0.413 0.191
TDS 1 .851(**)
-
0.102
-0.028 0.162 0.332 .799(**) .828(**) 0.399 0.18
TH 1
-
0.129
0.027 0.162 .617(*) .670(*) .594(*) 0.362 0.267
DO 1 -.917(**) 0.016 -0.132 -0.076 0.135 -0.508 -0.263
BOD 1 -0.149 0.287 -0.221 -0.232 .617(*) 0.431
T.Alk. 1 -0.365 0.324 -0.01 0.089 -0.536
Ca 1 -0.076 0.147 0.471 .809(**)
Mg 1 .588(*) 0.091 -0.196
CL 1 0.142 -0.036
No3 1 .636(*)
F 1
118
maximum
Mean
SD
Permissible
limit
Excessive
limit
P H 6.9 8.3 7.69 0.46 7.4 8.55 7.89 0.39 7.0-8.5 6.5–9.2
EC 520 1700 1195.83 437.19 750 1950 1315.83 449.66
TDS 313 1038 726.10 261.01 450 1148 780.75 267.98 500 1000
TH 150 420 296.50 103.36 258 636 393.67 134.93 300 600
DO 3.06 6.48 4.98 0.98 3.62 7.3 5.36 1.17 4 6
BOD 2.42 9.29 6.70 1.92 0.59 2.03 1.24 0.42 2 3
Alka. 148 280 213.92 41.83 249 464 324.83 71.69 200 600
Ca 27.25 126.7 60.25 30.94 48.09 134 83.33 28.81 75 200
Mg 13.53 49.3 29.77 9.94 27.45 88.57 51.82 18.90 30 150
Cl 56.73 278 149.00 76.01 120.55 382.93 230.47 97.77 250 1000
No3 0.04 3.2 0.88 0.99 0.02 0.16 0.06 0.04 45 45
F 0.33 1.76 1.04 0.42 0.4 1.19 0.84 0.25 0.5 1.5