“It will be noted that we ARBITRARILY adopt a concentration of 0.3% Delta9-THC (dry weight basis) in young, vigorous leaves of relatively mature plants as a guide to discriminating two classes of plants.”
hempgazette.com/news/history...
“It will be noted that we ARBITRARILY adopt a concentration of 0.3% Delta9-THC (dry weight basis) in young, vigorous leaves of relatively mature plants as a guide to discriminating two classes of plants.”
hempgazette.com/news/history...