Good question, my friend.
The process of closure of growth plates in mammals is mainly due to female hormone estrogen, but also by thyroid hormones T3 and T4, excess calcium and phosphorus also help the plaques to close.
1- I recommend that you do not brush your teeth, and do not drink water directly from the tap, as they help to calcify the pineal gland where GH is produced.
2- Eat too much protein and drink lots of water without fluoride
3- Do exercices to increase height, and never go to the gym to hard training.