Are there any methods to increase trichome product...

You can drive a nail in the bottom of the trunk. First, tape the bottom of the place where you will make hole so the split wonlt spread down and rot. Then tape the top so the lenght is control. Make hole with knife or nail. Widen the hole with flat head screw driver. Stick a plastic piece in to keep this open until harvest. I use plastic chop stick. But really, any clean plastic will do. I don't use wood or paper since it rot. Logic is that the plant thinks there is a major attack and produce cannabantoid to defend itself. I think this is too risky. Try on one plant that you can afford to loose first. My favorite way to increase potency is feeding yoghurt. 1 part yoghurt to 5 parts of water. And the next day feed molasses 2-3 ml per liter of water. Look up "LAB and terpenes". LAB is Lactic Acid Bacteria. The names of these bacteria are the same as on yoghurt label. I just buy milk. Drop in some yoghurt. Leave for 2 days. Mix and feed the plant.