Laserfiche WebLink
Figure 7-20 - Diagram for Assessing the Sodium and <br /> Salinity Hazards of Irrigation Water. <br /> SPECIFIC CONDUCTANCE, IN MICROMHOS PER CM AT <br /> 25 DEGREES CENTIGRADE <br /> 100 2 3 4 5 6 7 8 1000 2 3 4 5000 <br /> �c a 30 30 <br /> t N <br /> 28 <br /> 16 <br /> 26 <br /> m � <br /> i in 24 <br /> 22 <br /> 20 20 <br /> o � <br /> � s <br /> aS 18 17P1 <br /> N C <br /> N <br /> N o 16 <br /> J in c <br /> a 3 <br /> a A 14 <br /> E <br /> 12 <br /> 0 <br /> O <br /> 10 10 <br /> a <br /> N <br /> 8- <br /> 6- <br /> 4— 19 <br /> ~ 1 <br /> 2 1j <br /> 2018 r 2214 <br /> 0 111 0 <br /> 100 250 750 18P1 2250 9 <br /> Conductivity 21 <br /> C1 C2 C3 C4 <br /> Low Medium High Very high <br /> SALINITY HAZARD <br /> _Explanation <br /> 1 = GW-N1 18 = GW-N18 <br /> 3 = GW-N3 18P1 = GW-N18P1 <br /> 9 = GW-N9 19 = GW-N19 <br /> 13 = GW-N13 20 = GW-N20 <br /> 14 = GW-N14 21 = GW-N21 <br /> 16 = GW-N16 22 = GW-N22 <br /> 17P1 = GW-N17P1 27 = GW-N27 <br /> 7-98 Revised 04/11/88 <br />