One of the challenges that Cannabis farmers face at one time or another is the presence of vermin. Given, summer is the time of the year that we all look forward to, what with the chance to experience sun, san and sea. For farmers however, this comes with a myriad of hurdles to face. For instance, this is the season during which vermin manifest. A perfect example is the red spider mite which has been shown to have a preference for places with warm and dry conditions. Usually, there are tell ...