I know how little is taught on many Reiki courses, but out of respect, can't say that blatantly. "I teach experiments on my Level 2 class, for students to do at home," I said. "to prove they are good healers. May I teach you an experiment you can do for plant growth?"
Readers who are healers can try this at home. The research was first performed by two professors, Hodges and Scofield, at Wye University in UK. Talking to plants also works.
Take one large tray of cress seeds (they grow fast, so you can watch them grow more easily than daffodil bulbs) with identical soil, seeds etc.
Cut the tray in half.
Poison half of each tray with identical salt solution (poisonous to plants).
Place one tray somewhere in the house you don't normally go near, as the control.
The other tray, Reiki or give healing energy to daily.
Assuming the healer was taught Reiki or healing adequately, a strange thing happens. Always, even the poisoned seeds in the tray you Reiki or heal grow better than the non-poisoned seeds in the other tray.
Reiki or healing helps plant growth.
QED