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• Table 2. Fertility Characteristics. <br /> Nitrate <br />II Nitrogen Phosphorus Potassium Iron Zinc Manganese Copper <br /> <br />1 22.8 5.4 82 22.0 19.0 3.7 6.2 <br />2 21.0 2.9 86 22.0 20.0 3.8 4.8 <br />3 25.8 2.6 88 22.0 19.8 4.0 4.0 <br />4 16.6 2.9 80 22.0 17.8 4.0 4.2 <br />5 32.4 3.8 104 22.0 20.2 3.8 4.2 <br />6 48.8 7.0 98 22.0 19.6 3.9 5.7 <br />Table 3. Salinity Characteristics. <br /> <br /> <br />pH mmhos/cm <br />Electrical <br />Conductivity <br />--------------ppm------------------- <br />Sodium Calcium Magnesium Sodium <br />Adsorption <br />Ratio <br />1 7.3 2.59 182 417 37 2.30 <br />2 7.4 2.03 170 400 46 2.14 <br />3 7.5 2.13 168 405 40 2.13 <br />4 7.5 1.85 141 310 31 2.04 <br />5 7.5 1.34 90 272 30 1.38 <br />6 7.5 2.45 176 385 38 2.34 <br />• <br />