Factor | N | Na | Ne | P (%) | He |
Group I | 28 | 4.067 | 2.798 | 82.52% | 0.595 |
Group II | 22 | 3.733 | 2.940 | 78.50% | 0.566 |
Group III | 29 | 5.133 | 4.055 | 92.96% | 0.720 |
Group IV | 11 | 2.400 | 2.082 | 65.78% | 0.477 |