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100 2 3 4 S b 7 8 1000 2 3 4 5000 <br />• <br /> 30 <br /> 28 CI-54 <br /> 26 02-54 <br /> 24 <br /> C3-S4 <br /> 22 C4-54 <br /> CI-53 <br /> 20 <br /> ie <br /> C2-53 <br /> 16 <br /> 14 <br /> CI-52 C3-53 <br /> 12 <br /> 10 C2 -52 <br /> C4-S3 <br /> •27 <br /> e <br />C3-S2 <br />3 6 <br />o <br />~ - <br />C4-52 <br /> CI-SI <br /> 4 <br /> 02-51 <br /> 22• C3-SI <br /> 2 <br />23 <br />~~ a24,2 <br />• 2g <br />ca-sl <br /> 0 2 <br /> 100 -250 750 2250 <br />c~qs, <br />S CONDUCTIVITY- MICROMHOS/C M. ~EC YI06~ AT 25°C. <br /> 1 2 3 4 <br /> LOW MEDIUM NIGH VERY HIGH <br />SALINITY HAZ4RD <br />FIGURE 2`. 2. Soil samples results plotted on diagram for the <br />classification of irrigation caters (USDA Handbook No. 60) <br />• <br />