veggiegardener
Well-Known Member
This book is pricey but if you want a top notch reference for problems with our favorite herb, it is the best. The authors are serious experts.
http://www.amazon.com/Hemp-Diseases-Pests-Management-Biological/dp/0851994547
http://www.amazon.com/Hemp-Diseases-Pests-Management-Biological/dp/0851994547