Everything from UVB radiation, drought, soil health, to insects and other pests all contribute to the environmental stress which increases THC production in Cannabis. [SEE: <a href="http://www.hempfood.com/iha/iha01201.html]">http://www.hempfood.com/iha/iha01201.html]</a> THC is a UVB protectant for developing seeds, thus high THC varieties have been shown to produce much larger seed yields, with over 1 kilogram of seed per plant. [SEE:http://www.hempwo