Treat. −MPa | Sh. Na+ | % | Sh. K+ | % | Ro. Na+ | % | Ro. K+ | % | Sp. Na+ | % | Sp. K+ | % | |
0 | 0.3 | 100 | 6.7 | 100 | 0.5 | 100 | 1.0 | 100 | 0.3 | 100 | 5.2 | 100 | |
0.3 | 0.4 | 133 | 7.6 | 113 | 0.7 | 140 | 1.3 | 130 | 0.4 | 133 | 4.8 | 92.3 | |
0.6 | 0.5 | 166 | 8.4 | 125 | 0.7 | 140 | 1.4 | 140 | 0.5 | 167 | 4.9 | 94.2 | |
0.9 | 0.6 | 200 | 9.9 | 149 | 0.8 | 160 | 1.5 | 150 | 0.5 | 167 | 4.9 | 94.2 | |
1.2 | 0.9 | 300 | 9.9 | 148 | 0.8 | 160 | 0.94 | 94 | 0.5 | 167 | 4.9 | 94.2 | |
1.5 | 0.9 | 300 | 7.9 | 118 | 0.9 | 180 | 0.94 | 94 | 0.7 | 233 | 4.6 | 88.5 | |
0.0 + Cu 1 | 0.6 | 200 | 9.7 | 145 | 0.20 | 40 | 5.1 | 510 | 0.5 | 167 | 4.2 | 80.8 | |
0.3 + Cu I | 0.7 | 233 | 6.6 | 98.5 | 0.30 | 60 | 5.1 | 510 | 0.3 | 100 | 4.4 | 84.6 | |
0.6 + Cu I | 0.8 | 266 | 8.1 | 121 | 0.35 | 70 | 4.7 | 470 | 0.3 | 100 | 4.4 | 84.6 | |
0.9 + Cu I | 0.5 | 166 | 5.5 | 82.1 | 0.5 | 100 | 1.1 | 110 | 0.2 | 67 | 4.8 | 92.3 | |
1.2 + Cu I | 0.7 | 233 | 7.8 | 116 | 0.9 | 180 | 1.1 | 110 | 0.1 | 33 | 4.1 | 78.8 | |
1.5 + Cu I | 0.7 | 233 | 7.8 | 116 | 1.0 | 200 | 1.8 | 180 | 0.1 | 33 | 3.1 | 59.6 | |
0.0 + Cu I1 | 0.3 | 100 | 6.6 | 99 | 1.0 | 200 | 2.9 | 290 | 0.3 | 100 | 5.3 | 102 | |
0.3 + Cu II | 0.4 | 133 | 7.4 | 110 | 0.8 | 160 | 2.9 | 290 | 0.3 | 100 | 2.9 | 55.8 | |
0.6 + Cu II | 0.4 | 133 | 6.7 | 100 | 0.5 | 100 | 2.5 | 250 | 0.2 | 67 | 3.3 | 63.5 | |
0.9 + Cu II | 0.3 | 100 | 6.4 | 96 | 0.5 | 100 | 2.1 | 210 | 0.3 | 100 | 5.2 | 100 | |
1.2 + Cu II | 0.3 | 100 | 6.2 | 93 | 0.4 | 80 | 2.2 | 220 | 0.3 | 100 | 3.2 | 61.5 | |
1.5 + Cu II | 0.2 | 67 | 2.3 | 34 | 0.7 | 140 | 2.3 | 230 | 0.4 | 133 | 2.9 | 55.8 | |
L S. D. 5% | 1.2 |
| 1.3 |
| 1.6 |
| 1.8 |
| 1.7 |
| 1.1 |
| |