21. Alternative treatments included scarification with or without the addition of irritants including arsenic and hellebore. 22. These figures also represent Mayan practices of scarification and the significance of class in Mayan society. 23. Shading limits plant growth and seed germination, additionally the seeds germinate after scarification by fire. 24. They used several combinations of treatments which included chilling, gibberellic acid, and mechanical scarification . 25. Scarification of the seeds is advised to assist germination, which is slow but fairly reliable.26. Chemical scarification can also be achieved through the use of nutrient salts such as potassium nitrate. 27. Tribe members unwilling to participate in scarification were generally not included in the group's activities. 28. Seed dormancy is broken by the removal of the seed coat by fire scarification or physical disturbance. 29. Women perform scarification by slicing their skin with a razor blade after lifting it with a thorn. 30. To give any new saplings a chance to grow in a new area people practice soil scarification .
